Perhaps you should try some spelling variations:
thuong cao » truong cao, thong cao, thuong chau
cong thanh » dong thanh, cong trinh, truong thanh
thong cap » thong cac, trung cap, thong cua
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
cong tan » cong tac, cong san, cong ty
tran tap » toan tap, tran tan, tran tuan

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 - thanh ((thuong cao) or (thong cap)) cong ((cong tan) OR (cong thanh)) tran tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - thanh ((thuong cao) OR (thong cap)) cong ((cong tan) OR (cong thanh)) tran tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - thanh ((thuong cao) or (thong cap)) cong ((cong tan) OR (cong thanh)) tran tap".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - thanh ((thuong cao) or (thong cap)) cong ((cong tan) OR (cong thanh)) tran tap*.