Perhaps you should try some spelling variations:
nhanh trong » hanh trong, nhan trong, chinh trong
thanh tung » thanh cong
hien sach » dien sach, kien sach, thien hach
van dung » van dong, xay dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sach - ((nhanh trong) or (thanh tung)) ((van dung) or (tin dung)) cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien sach - ((nhanh trong) OR (thanh tung)) ((van dung) OR (tin dung)) cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien sach - ((nhanh trong) or (thanh tung)) ((van dung) or (tin dung)) cong tan toan ban*.