Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tuong va » truong va, thuong va, luong va
cong san » cong tac
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh tuong va nhung cong san ((((toan cao) or (toan tap))) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh tuong va nhung cong san ((((toan cao) OR (toan tap))) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh tuong va nhung cong san ((((toan cao) or (toan tap))) or (toan ban))*.