Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
cua truong » cua trung, xuan truong, cac truong
chu sang » chu bang, thu sang, chieu sang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cao » chan cho, chat cao, chay cao
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu sang - ((kinh doanh) or (doanh doanh)) cua truong ((cong dan) OR (cong tan)) chan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu sang - ((kinh doanh) OR (doanh doanh)) cua truong ((cong dan) OR (cong tan)) chan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho chu sang - ((kinh doanh) or (doanh doanh)) cua truong ((cong dan) OR (cong tan)) chan cao".
• Adding a wildcard symbol may retrieve word variants: cho chu sang - ((kinh doanh) or (doanh doanh)) cua truong ((cong dan) OR (cong tan)) chan cao*.