Perhaps you should try some spelling variations:
anh quang » anh xquang, anh quan, tinh quang
tran hung » tran hong, tran quang, tran hoang
hung cong » nhung cong, hung cuong, phung cong
do chinh » hoc chinh, mo hinh, do dinh
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: do chinh sach - ((anh quang) or (nhanh quang)) tran hung cong tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: do chinh sach - ((anh quang) OR (nhanh quang)) tran hung cong tac toan cao.
• Adding a wildcard symbol may retrieve word variants: do chinh sach - ((anh quang) or (nhanh quang)) tran hung cong tac toan cao*.