Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
manh hung » anh huong
yen thong » yen trong, vien thong, nen thuong
cong tan » cong tac, cong san, cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chieu xanh) or (thien thanh)) - manh hung yen thong ((cong tan) OR (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chieu xanh) OR (thien thanh)) - manh hung yen thong ((cong tan) OR (cong thanh)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu xanh) or (thien thanh)) - manh hung yen thong ((cong tan) OR (cong thanh)) toan cao".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu xanh) or (thien thanh)) - manh hung yen thong ((cong tan) OR (cong thanh)) toan cao*.