Perhaps you should try some spelling variations:
nhieu sang » chieu sang, nhieu tang, hieu lang
chieu sach » chinh sach, chiet tach, chieu sang
van nang » van quang, van ban, van dong
nang dua » nang du, nang suat, nang quan
dua cong » cua cong, qua cong, duc cong
dong dan » dong danh, duong dan, dong san
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: hop ((nhieu sang) or (chieu sach)) - van nang dua cong dong dan khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop ((nhieu sang) OR (chieu sach)) - van nang dua cong dong dan khan cap*.