Perhaps you should try some spelling variations:
trinh suat » trinh luat, trinh sat, trinh quan
hanh trinh » canh tranh, hanh chinh
cong thanh » dong thanh, cong trinh, truong thanh
suat dung » thuat dung, xuat duong, suat huong
tran chau » tranh chap, tran huu
chi xanh » chi anh, chi hanh, chieu xanh
chi danh » chi dan, chi anh, chi dinh
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 ((chi xanh) OR (chi danh)) - hanh trinh suat dung ((cong tan) or (cong thanh)) tran chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi danh)) - hanh trinh suat dung ((cong tan) OR (cong thanh)) tran chau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) OR (chi danh)) - hanh trinh suat dung ((cong tan) or (cong thanh)) tran chau".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) OR (chi danh)) - hanh trinh suat dung ((cong tan) or (cong thanh)) tran chau*.