Perhaps you should try some spelling variations:
tranh suat » tranh cua, tranh luan
cong thanh » dong thanh, cong trinh, truong thanh
tranh chap » tranh cua, trinh chat
suat dung » thuat dung, xuat duong, suat huong
tran chau » tran huu
khi xanh » khia canh, thi hanh, thi anh
cong tan » cong tac, cong san, cong ty

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi khi xanh - canh tranh suat dung ((cong tan) or (cong thanh)) ((tran chau) OR (tranh chap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi khi xanh - canh tranh suat dung ((cong tan) OR (cong thanh)) ((tran chau) OR (tranh chap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi khi xanh - canh tranh suat dung ((cong tan) or (cong thanh)) ((tran chau) OR (tranh chap))".
• Adding a wildcard symbol may retrieve word variants: doi khi xanh - canh tranh suat dung ((cong tan) or (cong thanh)) ((tran chau) OR (tranh chap))*.