Perhaps you should try some spelling variations:
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hanh dung » thanh dung, anh dung, manh dung
hanh dong » anh dong, ha dong
luan hang » luan nang, luan han, luan hung
hang cong » dang cong, hang nong, bang cong
cong van » cong vang, cong san, song van
toan ban » van ban

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 tinh - ((hanh dung) or (hanh dong)) luan hang cong van ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu tinh - ((hanh dung) OR (hanh dong)) luan hang cong van ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu tinh - ((hanh dung) or (hanh dong)) luan hang cong van ((toan tap) or (toan ban))*.