Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dong thanh » truong thanh
cong thanh » cong trinh, truong thanh
cong cong » cong dong, trong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong ty
tran ban » tranh ban, toan ban, tran bai
tran van » luan van

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 - nhanh ((dong thanh) or (cong thanh)) cong cong tan ((tran ban) OR (tran van))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - nhanh ((dong thanh) OR (cong thanh)) cong cong tan ((tran ban) OR (tran van)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - nhanh ((dong thanh) or (cong thanh)) cong cong tan ((tran ban) OR (tran van))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - nhanh ((dong thanh) or (cong thanh)) cong cong tan ((tran ban) OR (tran van))*.