Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
cong tang » cong thang, cong lang, cong vang
thanh lap » thanh san, phan lap, thanh hai
ho chieu » theo chieu, hoc thieu, doi chieu
trung va » truong va, trang va, trung ha
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh cac, than cua

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 sach - hanh trung va nhung ((cong tan) or (cong tang)) ((than cap) or (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung va nhung ((cong tan) OR (cong tang)) ((than cap) OR (thanh lap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung va nhung ((cong tan) or (cong tang)) ((than cap) or (thanh lap))*.