Perhaps you should try some spelling variations:
dung cong » dung trong
thanh van » thanh san, thanh toan, thanh phan
hoc vien » hoc hien, hoc viet, hoc tieng
vien anh » vien canh, viet anh, dien anh
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc vien anh - canh ((tranh va) or (thanh van)) dung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc vien anh - canh ((tranh va) OR (thanh van)) dung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc vien anh - canh ((tranh va) or (thanh van)) dung cong tac toan cao*.