Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh dung » thanh duong, thanh tung, thanh hung
hieu manh » chieu xanh, hieu nganh, dieu hanh
dong bang » dong san
thanh tai » thanh hai, thanh toan, doanh tai
dung cua » dung luan, dung cho
cua tong » cua cong, cua dong, cua nong
dong ban » dong san, dong bac, dong xuan

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