Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
luong cong » dung cong, cong cong, tong cong
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
trung ba » truong ba, trung ha, trung va
toan cau » toan cao, toan ban, toan tap

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 trung ba ((luong cong) or (trong cong)) manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trung ba ((luong cong) OR (trong cong)) manh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trung ba ((luong cong) or (trong cong)) manh toan cau*.