Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh luan » tranh luan, thanh tuan, thanh loan
thanh xuan » thanh san, thanh toan, thanh phan
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong tan » cong tac, cong san, cong thanh
phan cau » phan dau, phan cac, phan tu
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 thieu sach - ((thanh luan) or (thanh xuan)) van dung cong tan ((phan cau) or (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - ((thanh luan) OR (thanh xuan)) van dung cong tan ((phan cau) OR (toan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - ((thanh luan) or (thanh xuan)) van dung cong tan ((phan cau) or (toan cau))*.