Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung vap » trung cap, trung va, trung van
vap nhung » va nhung, ve nhung, voi nhung
chi sang » chieu sang, chi chang, khai sang
chi lang » thi lan, chi van, hoi lang
cong tac » cong ty
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: doi ((chi sang) or (chi lang)) - thanh trung vap nhung ((huong dan) or (cong tac)) than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi sang) OR (chi lang)) - thanh trung vap nhung ((huong dan) OR (cong tac)) than ban.
• Adding a wildcard symbol may retrieve word variants: doi ((chi sang) or (chi lang)) - thanh trung vap nhung ((huong dan) or (cong tac)) than ban*.