Perhaps you should try some spelling variations:
trinh nghien » trinh nghe, trinh thiet, trinh dien
tinh nghiep » tinh nghe, tinh nhiet, doanh nghiep
canh tinh » hanh tinh, manh tinh, canh tranh
nghiep vu » nghiep va
hoc canh » hoc anh, hoc can, hoc hanh
tu cach » tu cac
dau hoc » dai hoc, du hoc, dan hoc
vu hoc » tu hoc, va hoc, du hoc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( tu cach ((trinh nghien) or (kinh nghiem)) dau hoc ) or ( hoc canh tinh nghiep vu hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tu cach ((trinh nghien) OR (kinh nghiem)) dau hoc ) OR ( hoc canh tinh nghiep vu hoc )).
• Adding a wildcard symbol may retrieve word variants: (( tu cach ((trinh nghien) or (kinh nghiem)) dau hoc ) or ( hoc canh tinh nghiep vu hoc ))*.