Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, nhung cong
hieu quang » thieu quang, hieu quan, hieu qua
hung vuong » hoang vuong
hieu lang » chieu sang, nhieu tang, hieu van
hanh nang » anh nang, ganh nang, hanh mang
nang quan » ban quan, nang suat
van toan » van tuan, van tan, van thanh
toan ban » van 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 ((hieu lang) or (hieu quang)) - hanh nang quan ((nhung tuong) OR (hung vuong)) van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (hieu quang)) - hanh nang quan ((nhung tuong) OR (hung vuong)) van toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) or (hieu quang)) - hanh nang quan ((nhung tuong) OR (hung vuong)) van toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (hieu quang)) - hanh nang quan ((nhung tuong) OR (hung vuong)) van toan ban*.