Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, truong thanh
thong cua » thong quan, thong tu, huong cua
tran chau » tranh chap, tran huu
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong ty

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