Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh son » thanh san, thanh cong, thanh toan
thanh cau » thanh chau, thanh mau, nhanh cau
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hanh san » thanh san, khach san, khanh son
cong san » cong tac

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

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