Perhaps you should try some spelling variations:
nang nguoi » nhung nguoi, thang nguoi, nang noi
canh doanh » hanh doanh, chinh doanh, doanh doanh
tang nguoi » thang nguoi, tang nguon, thanh nguoi
hoc thieu » toc thieu
doanh cua » doanh luan
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (hoc hien)) xanh - canh doanh cua ((nang nguoi) OR (tang nguoi)) san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) xanh - canh doanh cua ((nang nguoi) OR (tang nguoi)) san toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (hoc hien)) xanh - canh doanh cua ((nang nguoi) OR (tang nguoi)) san toan tap".
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) xanh - canh doanh cua ((nang nguoi) OR (tang nguoi)) san toan tap*.