Perhaps you should try some spelling variations:
chieu sach » chinh sach, chieu sang, chieu xanh
tang luong » nang luong, tang cuong, hang luong
cong hung » cong chung, cong huong, cong thuong
cong dung » cuong dung, cong dong, cong luong
anh tang » anh bang, anh dang, anh nang
tuan cau » toan cau, quan cau, tuan cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) OR (chiet tach)) - anh tang luong ((cong hung) or (cong dung)) anh tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chiet tach)) - anh tang luong ((cong hung) OR (cong dung)) anh tuan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chiet tach)) - anh tang luong ((cong hung) or (cong dung)) anh tuan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chiet tach)) - anh tang luong ((cong hung) or (cong dung)) anh tuan cau*.