Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hang hang » nang hang, cang thang, hung thang
dung cong » dung trong
tran chau » tranh chap, tran huu
ho chieu » theo chieu, hoc thieu, mot chieu
cong tan » cong tac, cong san, cong thanh
tran cau » toan cau, ran cau, tra cau
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) OR (doi chieu)) sach - hang hang va dung cong tan ((tran cau) or (tran chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) sach - hang hang va dung cong tan ((tran cau) OR (tran chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) sach - hang hang va dung cong tan ((tran cau) or (tran chau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (doi chieu)) sach - hang hang va dung cong tan ((tran cau) or (tran chau))*.