Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tuan
tang sach » mang sach, sang sach, nang sach
thanh tra » thanh toan, thanh hoa
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong
hoc tang » hoc bang, hoc tan, hoc tieng
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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 tang sach - ((thanh tran) OR (thanh tra)) tuan dung cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tang sach - ((thanh tran) OR (thanh tra)) tuan dung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc tang sach - ((thanh tran) OR (thanh tra)) tuan dung cong tac toan cau*.