Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
hieu lang » chieu sang, hieu quang, nhieu tang
hoc nhanh » hoc nganh, hoc phan
hoc thanh » hoan thanh, hoc phan, ha thanh
cong dan » cong san, cong tan, huong dan
toan ban » van ban
toan cao » toan tap
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - manh trung ((hoc nhanh) or (hoc thanh)) cong dan ((toan ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - manh trung ((hoc nhanh) OR (hoc thanh)) cong dan ((toan ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - manh trung ((hoc nhanh) or (hoc thanh)) cong dan ((toan ban) or (toan cao))*.