Perhaps you should try some spelling variations:
quan nhung » qua nhung, cua nhung, luan chung
nhung tung » nhung tuong, nhung dung, nhung vung
hieu lang » chieu sang, hieu quang, nhieu tang
hanh nang » anh nang, ganh nang, hanh mang
nang quan » ban quan, nang suat
dan thanh » dang thanh, danh thanh, ban thanh
thanh ban » thanh san, thanh van, thanh bac
tung dan » dung dan, huong dan, trung dai
hieu va » lieu va, hieu qua

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 va)) - hanh nang quan nhung tung dan thanh ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (hieu va)) - hanh nang quan nhung tung dan thanh ban.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (hieu va)) - hanh nang quan nhung tung dan thanh ban*.