Perhaps you should try some spelling variations:
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
manh tuan » anh tuan, manh toan, minh tuan
manh xua » manh cua, minh xua, lanh xuan
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: theo hieu lang - hoang ((manh xua) or (manh tuan)) thanh cong dan toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hoang ((manh xua) OR (manh tuan)) thanh cong dan toan cao.
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hoang ((manh xua) or (manh tuan)) thanh cong dan toan cao*.