Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
nhung cong » dung cong, thong cong, hang cong
hieu manh » chieu xanh, hieu nganh, dieu hanh
trung cua » truong cua, trung tuan, dung cua
trung cap » truong cao, trung tam
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao 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) or (hieu manh)) - thanh ((trung cua) OR (trung cap)) nhung cong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh ((trung cua) OR (trung cap)) nhung cong dan chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) or (hieu manh)) - thanh ((trung cua) OR (trung cap)) nhung cong dan chan cap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) or (hieu manh)) - thanh ((trung cua) OR (trung cap)) nhung cong dan chan cap*.