Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, canh tranh, hanh trinh
hieu lang » chieu sang, hieu quang, nhieu tang
cong cong » cong dong, trong cong, dung cong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo ((chiet tach) or (hieu lang)) - ((anh tang) or (hanh trang)) cua cong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chiet tach) OR (hieu lang)) - ((anh tang) OR (hanh trang)) cua cong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: theo ((chiet tach) or (hieu lang)) - ((anh tang) or (hanh trang)) cua cong cong dan toan ban*.