Perhaps you should try some spelling variations:
theo bien » thieu bien, theo tieu, che bien
bien tinh » bi tinh, yen tinh, diep tinh
hanh tung » thanh tung, manh tung, hanh dung
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
anh tang » anh bang, anh dang, anh nang
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo bien tinh - ((hanh tung) or (anh tang)) luan dang cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo bien tinh - ((hanh tung) OR (anh tang)) luan dang cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo bien tinh - ((hanh tung) or (anh tang)) luan dang cong dan than cau*.