Perhaps you should try some spelling variations:
nhung trong » hung trong, nhung tuong, thuong trong
chieu sang » chieu sach, chieu xanh, nhieu tang
hieu lang » hieu quang, nhieu tang, hieu van
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van tuan » van quan, van ban, anh tuan
van tai » von tai

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

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