Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
hieu lang » chieu sang, hieu quang, nhieu tang
tranh cua » doanh cua, manh cua
tang luan » dung luan
tuong van » truong van, trong van, duong van
bang cau » hang cau, bang cac, nang cao
ho hieu » ho chieu, hoi hieu, nho hieu
ban cau » ban can, van cau, ban dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - hanh ((tranh cua) or (tang luan)) nhung tuong van ((ban cau) OR (bang cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - hanh ((tranh cua) OR (tang luan)) nhung tuong van ((ban cau) OR (bang cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho hieu lang - hanh ((tranh cua) or (tang luan)) nhung tuong van ((ban cau) OR (bang cau))".
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - hanh ((tranh cua) or (tang luan)) nhung tuong van ((ban cau) OR (bang cau))*.