Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu xanh
chieu sang » chieu xanh, hieu lang, nhieu tang
tranh cua » doanh cua, manh cua
nong hong » song hong, dong thong, hong phong
cua nong » cua cong, cuu nong, cua dong
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.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chieu sang)) - canh tranh cua nong hong ((van tai) OR (van tuan)) cuoc~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chieu sang)) - canh tranh cua nong hong ((van tai) OR (van tuan)) cuoc~".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chieu sang)) - canh tranh cua nong hong ((van tai) OR (van tuan)) cuoc*.