Perhaps you should try some spelling variations:
thieu tinh » chieu tinh, thien tinh, lieu tinh
manh tung » manh hung, thanh tung
cam nhung » nam nhung, tham nhung, cam nang
cam hung » cac chung, cam nang, van hung
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: hoc ((thieu tinh) or (trieu tinh)) - manh tung ((cam nhung) or (cam hung)) cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu tinh) OR (trieu tinh)) - manh tung ((cam nhung) OR (cam hung)) cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu tinh) or (trieu tinh)) - manh tung ((cam nhung) or (cam hung)) cong dan toan ban*.