Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
cua thong » cua thuong, cua khong, suat thong
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
chan dau » phan dau, han dau, chan doan

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 xanh - canh doanh ((cua thong) or (cua tong)) ((cong tan) OR (cong san)) chan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh doanh ((cua thong) OR (cua tong)) ((cong tan) OR (cong san)) chan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - canh doanh ((cua thong) or (cua tong)) ((cong tan) OR (cong san)) chan dau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh doanh ((cua thong) or (cua tong)) ((cong tan) OR (cong san)) chan dau*.