Perhaps you should try some spelling variations:
thanh thanh » nhanh thanh, thanh toan, thanh phan
thanh trung » thanh tung
nhung cong » dung cong, thong cong, nhung don
trung dap » trung cap, trung dai, trung dam
hang cong » dang cong, hang nong, bang cong
thanh cau » thanh chau, thanh mau, nhanh cau
thi hieu » thi chieu, thi hien, thi dieu
ho chieu » theo chieu, hoc thieu, doi chieu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi hieu) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (hang cong)) thanh thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi hieu) OR (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (hang cong)) thanh thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi hieu) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (hang cong)) thanh thanh cau".
• Adding a wildcard symbol may retrieve word variants: ((thi hieu) or (ho chieu)) xanh - thanh trung dap ((nhung cong) OR (hang cong)) thanh thanh cau*.