Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luan tuong
hanh tang » hanh trang, anh tang, hanh mang
tang luan » dung luan
cong manh » cong danh, duong manh, cong thanh
theo chu » theo chieu, cho chu, chao chu
chu manh » ho manh, chu han, chu van
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
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 chu manh - hanh tang luan trong ((cong manh) or (cong san)) ((toan cau) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu manh - hanh tang luan trong ((cong manh) OR (cong san)) ((toan cau) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: theo chu manh - hanh tang luan trong ((cong manh) or (cong san)) ((toan cau) or (toan cao))*.