Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
duong cong » dung cong, luong cong, duong trong
dong cong » dung cong, dang cong, cong cong
anh dung » anh dong, anh huong, sach dung
dung cua » dung luan, dung cho
dan toan » van toan, dan than, manh toan
toan cau » 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: theo ((chuc nang) or (chieu sang)) - anh dung cua ((dong cong) or (duong cong)) dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chuc nang) OR (chieu sang)) - anh dung cua ((dong cong) OR (duong cong)) dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chuc nang) or (chieu sang)) - anh dung cua ((dong cong) or (duong cong)) dan toan cau*.