Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
hanh dong » ha dong
luan hung » luan chung, lan hung, luan ung
hung cong » nhung cong, hung cuong, phung cong
anh dong » anh huong, anh son
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than ban » thanh ban, toan ban, than man

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

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