Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tung » thanh tung, manh tung, hanh dung
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
han tap » han tai, toan tap, nhan tai

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