Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu quan » hieu qua, lieu quan, thien quan
kinh toan » hinh toan, minh toan, kinh doanh
anh tang » anh bang, anh dang, anh nang
tang va » trang va, tang van, thang va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (hieu quan)) - anh tang va nhung trong ((kinh toan) or (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu quan)) - anh tang va nhung trong ((kinh toan) OR (tinh toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu quan)) - anh tang va nhung trong ((kinh toan) or (tinh toan)) cau*.