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 cua » mang cua, hang cua, nang dua
dong van » duong van, dang van, dong von
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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 cua cong dong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hop ((nhieu sang) OR (chieu sach)) - van nang cua cong dong van than cap*.