Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
canh doanh » hanh doanh, chinh doanh, doanh doanh
thong cong » trong cong, tong cong, phong chong
hoc thieu » toc thieu, hoc hien
doanh cua » doanh luan
khan cap » khan ap, than cap, khoan cam
hanh cac » hang cac, hanh cat, nhanh cay

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