Perhaps you should try some spelling variations:
nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
thuc cong » thuoc cong, thu cong, chuc cong
cac thoi » cac toi, cac hop, cac tro
thoi tap » toi tap, hoc tap, thoi dai
cong coc » cong cuoc, cong cac, cong co
dung hoc » dong hoc, trung hoc, dung khoa
van nhan » van phan, van thanh, danh nhan
nhan van » nhan dan, nhan va, phan van
coc anh » hoc anh, co anh, ngoc anh
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac thoi tap, nghiep thuc cong coc anh ((dung hoc) or (dung thuoc)) xa hoi van nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac thoi tap, nghiep thuc cong coc anh ((dung hoc) OR (dung thuoc)) xa hoi van nhan van.
• Adding a wildcard symbol may retrieve word variants: tu cac thoi tap, nghiep thuc cong coc anh ((dung hoc) or (dung thuoc)) xa hoi van nhan van*.