Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
luan chung » luan chinh
chung tung » chuong trung, chiung hung, chung thong
hieu lang » chieu sang, hieu quang, hieu van
hanh dung » thanh dung, anh dung, hanh dong
tung dan » dung dan, huong dan, trung dai
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (hieu lang)) - hanh dung luan chung tung dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - hanh dung luan chung tung dan toan tap*.