Perhaps you should try some spelling variations:
doanh doanh » toan doanh, doanh hoan, doanh thanh
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh doanh » hang doanh, chinh doanh, kinh doanh
dung cong » dung trong
cong minh » cong vinh, cong tinh, song minh
minh tuan » anh tuan
tai dung » trai dung, thi dung, mai dung
tuan ban » tuan bang, toan ban, luan ban

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 tinh) OR (trieu tinh)) - ((hanh doanh) or (doanh doanh)) tai dung cong minh tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu tinh) OR (trieu tinh)) - ((hanh doanh) OR (doanh doanh)) tai dung cong minh tuan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu tinh) OR (trieu tinh)) - ((hanh doanh) or (doanh doanh)) tai dung cong minh tuan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu tinh) OR (trieu tinh)) - ((hanh doanh) or (doanh doanh)) tai dung cong minh tuan ban*.