Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
van dung » van dong, xay dung, tin dung
toan tap » toan ban
luan » quan, lan

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) or (chieu sach)) - dung luan van dung cong manh ((van ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - dung luan van dung cong manh ((van ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - dung luan van dung cong manh ((van ban) or (toan tap))*.