Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
nang luong » nang song
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
danh toan » manh toan, dan toan, dang toan
tang cua » mang cua, hang cua, tang luan
cua nang » chua nang, cua dang, cua hang
anh toan » manh toan, anh tuan, thanh toan

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 tinh) or (hieu lang)) - hanh tang cua nang luong ((danh toan) OR (anh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (hieu lang)) - hanh tang cua nang luong ((danh toan) OR (anh toan)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tinh) or (hieu lang)) - hanh tang cua nang luong ((danh toan) OR (anh toan)) tap".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (hieu lang)) - hanh tang cua nang luong ((danh toan) OR (anh toan)) tap*.