Perhaps you should try some spelling variations:
luan trong » quan trong, luat trong, luong trong
chieu sang » chieu sach, chieu xanh, hieu lang
luan tuong » luan luong, luat thuong, xuan truong
hanh tong » hanh trong, han tong, hanh dong
ban nhung » san nhung, ban phuong, gian nhung
nhung cau » chung cu, nhung bai, nhu cau
hieu van » hieu va, thien van, lieu va
cong ban » cong bang, cong san, cong tan

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu van)) - hanh tong ((luan trong) OR (luan tuong)) cong ban nhung cau~.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu van)) - hanh tong ((luan trong) or (luan tuong)) cong ban nhung cau*.