Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
cong doanh » cong danh, cong doan, rong doanh
dong doanh » dung doanh, trong doanh, doanh doanh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
va ban » van ban, va bao

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 - thanh trung cua ban ((cong doanh) OR (dong doanh)) ((va ban) or (va bai))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cua ban ((cong doanh) OR (dong doanh)) ((va ban) OR (va bai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung cua ban ((cong doanh) OR (dong doanh)) ((va ban) or (va bai))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cua ban ((cong doanh) OR (dong doanh)) ((va ban) or (va bai))*.