Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, truong thanh
thang van » tang van, thanh van, thong van
ho chieu » theo chieu, hoc thieu, doi chieu
thang va » hang va, trang va, thong va
cong tan » cong tac, cong san, cong ty
than ma » than man, than va, khan ma

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