Perhaps you should try some spelling variations:
tuyen tai » truyen tai, tuyen tap, xuyen tai
xuyen tac » xuyen tai, nguyen tac, thuyen tac
cong cong » cong dong, trong cong, dung cong
thi cong » tai cong, thien cong
cac thu » cach thuc, cac thoi
ban ve » ban va
ly thi » ly thoi, le thi, ly tai
ve ly » ve ky, ve li, ve y

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tuyen tai) or (xuyen tac)) cac thu đe co ban ve ly thi cong cong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tuyen tai) OR (xuyen tac)) cac thu đe co ban ve ly thi cong cong*.