Perhaps you should try some spelling variations:
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
thong cong » trong cong, tong cong, thong thong
hanh dong » anh dong, ha dong
pho thong » he thong
dong pho » duong pho, dong cho, dong ho
cong van » cong vang, cong san, song van
van van » tan van, san van, van vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: chao ((chieu sang) or (chieu sach)) - hanh dong pho thong cong van van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: chao ((chieu sang) OR (chieu sach)) - hanh dong pho thong cong van van ban.
• Adding a wildcard symbol may retrieve word variants: chao ((chieu sang) or (chieu sach)) - hanh dong pho thong cong van van ban*.