Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong thanh » dong thanh, cong trinh, truong thanh
lieu tinh » trieu tinh, diep tinh, bien tinh
hanh luan » khanh luan, hang luan, hanh luat
van hang » van khang, van hoang, van thang
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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