Perhaps you should try some spelling variations:
doanh hanh » doanh thanh, doanh anh, doanh doanh
cong thanh » dong thanh, cong trinh, truong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
cong tan » cong tac, cong san, cong ty
toan ban » van ban
vi dung » va dung, vi ung, vi dong

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