Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh doanh » hang doanh, chinh doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
nhan han » nhan chan, nhan dan, nhan van
cong dan » cong san, cong dong, cong tac
cong tan » cong tac, cong san, cong thanh
than cau » toan cau, phan cau, than cap

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 - hanh doanh nhan han ((((cong dan) OR (huong dan))) or (cong tan)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh doanh nhan han ((((cong dan) OR (huong dan))) OR (cong tan)) than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh doanh nhan han ((((cong dan) OR (huong dan))) or (cong tan)) than cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh doanh nhan han ((((cong dan) OR (huong dan))) or (cong tan)) than cau*.