Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
cua nhung » va nhung
anh dong » anh huong, anh son
dong cua » dung cua, cong cua, huong cua
cong dan » cong san, cong tan, cong dong
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((nhieu tang) or (hieu lang)) - anh dong cua nhung ((cong dan) OR (huong dan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((nhieu tang) OR (hieu lang)) - anh dong cua nhung ((cong dan) OR (huong dan)) toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((nhieu tang) or (hieu lang)) - anh dong cua nhung ((cong dan) OR (huong dan)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((nhieu tang) or (hieu lang)) - anh dong cua nhung ((cong dan) OR (huong dan)) toan cau*.