Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, hieu cach
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
hanh nang » anh nang, ganh nang, hanh mang
suat dung » thuat dung, xuat duong, suat huong
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu sach) OR (chieu xanh))) OR (chieu sang)) - hanh nang suat dung cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu sach) OR (chieu xanh))) or (chieu sang)) - hanh nang suat dung cong tan toan cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu sach) OR (chieu xanh))) or (chieu sang)) - hanh nang suat dung cong tan toan cau*.