Perhaps you should try some spelling variations:
trinh nghiep » trinh nghien, trinh nghe, trinh ghep
trach nhiem » trac nghiem
nghiep bang » nghiep bao, nghiem ban, nghiep bac
canh trach » canh tranh, khanh trach, canh tac
canh trinh » canh tranh, hanh trinh, canh tinh
nhiem dan » nghiem ban, nghiem van, nghiem dau
bang hoc » nang hoc, mang hoc, quang hoc
te canh » ve canh, te danh, re canh
tu canh » thu canh, tu chanh, tu cach

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( te canh trach nhiem dan toc ) or ( tu canh trinh nghiep bang hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te canh trach nhiem dan toc ) OR ( tu canh trinh nghiep bang hoc ))*.