Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
duong manh » duong van
cong thanh » dong thanh, cong trinh, cong tan
doi chieu » doc hieu, doi chi, ho chieu
tranh cac » trinh cac, tranh cai, tranh chap
thanh cac » hanh cac, thanh bac, thanh ca
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: doi chieu xanh - canh ((tranh cac) or (thanh cac)) thuong ((duong manh) or (cong thanh)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh ((tranh cac) OR (thanh cac)) thuong ((duong manh) OR (cong thanh)) toan cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh ((tranh cac) or (thanh cac)) thuong ((duong manh) or (cong thanh)) toan cao*.