Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu sang » chieu sach, chieu xanh, nhieu tang
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
gian cham » gian cua, gian cac, gian ha
thong ve » thong ke, thong va, thong le
ve nhung » va nhung, tu nhung
cong dan » cong san, cong tan, huong dan
gian cam » gian cac, gia cam, gian nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) or (hieu lang)) - thanh thong ve nhung cong dan ((gian cam) OR (gian cham))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - thanh thong ve nhung cong dan ((gian cam) OR (gian cham)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - thanh thong ve nhung cong dan ((gian cam) OR (gian cham))".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - thanh thong ve nhung cong dan ((gian cam) OR (gian cham))*.