Perhaps you should try some spelling variations:
thuong cua » huong cua, truong cua, tuong cua
hieu lang » chieu sang, hieu quang, nhieu tang
lieu quan » lien quan, hieu qua, lieu van
thong cua » thong quan, thong tu, huong cua
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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) or (lieu quan)) - thanh ((thuong cua) OR (thong cua)) dung cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu lang) OR (lieu quan)) - thanh ((thuong cua) OR (thong cua)) dung cong dan than cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) or (lieu quan)) - thanh ((thuong cua) OR (thong cua)) dung cong dan than cau".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) or (lieu quan)) - thanh ((thuong cua) OR (thong cua)) dung cong dan than cau*.