Perhaps you should try some spelling variations:
quyen tap » tuyen tap, quyen cap, huyen tam
luyen tap » tuyen tap, luyen thi
cach thoi » cac thoi, cach thuc, cach noi
te cong » tai cong, thi cong, thu cong
ban ve » ban va
ve ky » va ky, ke ky
ky te » y te, ky le, ly te
dong » dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((quyen tap) or (luyen tap)) cach thoi đe co ban ve ky te cong dong~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((quyen tap) OR (luyen tap)) cach thoi đe co ban ve ky te cong dong.
• Adding a wildcard symbol may retrieve word variants: ((quyen tap) or (luyen tap)) cach thoi đe co ban ve ky te cong dong*.