Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap
tung he » dung he, tang he, tung le
tung ho » tuong ho, trung hoc, trung hoa

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 (chinh sach)) - thanh ((tung he) or (tung ho)) thong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chinh sach)) - thanh ((tung he) OR (tung ho)) thong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chinh sach)) - thanh ((tung he) or (tung ho)) thong cong dan than cau*.