Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
doi chieu » doc hieu, doi chi, ho chieu
tuong cua » truong cua, huong cua, thong cua
cua nhung » va nhung
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: ((hoc hien) or (doi chieu)) xanh - thanh tuong cua nhung ((cong tan) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (doi chieu)) xanh - thanh tuong cua nhung ((cong tan) OR (cong san)) toan cao.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (doi chieu)) xanh - thanh tuong cua nhung ((cong tan) or (cong san)) toan cao*.