Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
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.

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh nang suat dung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (((chieu sang) OR (hieu lang)))) - 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 sang) OR (hieu lang)))) - hanh nang suat dung cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (((chieu sang) OR (hieu lang)))) - hanh nang suat dung cong tan toan cau*.