Hi Don, Your Interests appear to be in the Province of Saskatchewan - as well British Columbia.
Have you researched/ posted in those area's

Louie Phil VANDE VOORDE born 1941 Tisdale Saskatchewan
Still Living ?
Were there any siblings ?
Were the parents married in Canada?

His father Theophiel VANDE VOORDE born Jan 17 1885, Lembeke Belgium and
died April 28 1968 in Terrace BC Canada

Theophil VANDEVOORDE Age:83 Event:Death
Place Terrace Date:1968 4 28 (Yr/Mo/Day)
Reg. Number:1968-09-006618
Microfilm #:B13289 (GSU # 2033942)

Do you have a copy of the above filmed registration of death ?

Was there an Obituary Published ?

What was the name of his spouse - mother of Louie Phil VANDE VOORDE?

In the early 1940's we had the National Registration of All Canadians over the age of 16 years.
This information is available - Should show personal information -
http://www.statcan.gc.ca/bsolc/olc-cel/olc-cel?catno=93C0006...

NATURALIZATION:
Theophil VANDEVOORDE - may have made application for Naturalization

This information is available from the Province where application was made

May show Name - Date and Place of Birth - Names of Parents including maiden name of mother.
Port and Date of Departure - Port and Date of Arrival - Name of Passenger ship - ir remembered.

His Grandfather Frances Vande Voorde born and died in Lembeke Belgium and we can go no further.
http://en.wikipedia.org/wiki/Kaprijke

Have you attempted research in Belgium?
Haven't read the following but perhaps helpful?
http://www.rootsweb.ancestry.com/~inbr/servicesBelg.htm
Have you posted to mail lists / message boards for Belgium
http://boards.rootsweb.com/localities.weurope.belgium/mb.ash...
Lembeke is in the Flanders region.

They came to Canada but we are not to sure of the exact date we think it was around 1920

Cheers, Stella