Perhaps you should try some spelling variations:
vien truong » mien trung, vien thong
truong long » trong long, trung long, truong cong
tranh vien » thanh vien, tranh bien, tran viet
ho chieu » theo chieu, hoc thieu, doi chieu
long dan » long doan, cong dan, nong 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: ((ho chieu) or (mot chieu)) sang - canh tranh vien truong long dan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) sang - canh tranh vien truong long dan than ban*.