Perhaps you should try some spelling variations:
chieu sang » chieu xanh, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
phuong cua » huong cua, phuong cham, chuong chua
hieu lang » hieu quang, nhieu tang, hieu van
tong cong » trong cong, cong cong, dung cong
cua tong » cua cong, cua dong, cua nong
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 ((((chieu sang) or (hieu lang))) or (chieu sach)) - bang phuong cua tong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (hieu lang))) OR (chieu sach)) - bang phuong cua tong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (hieu lang))) or (chieu sach)) - bang phuong cua tong cong dan than cau*.