Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
chiet tach » chieu sach
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cao » toan ban, toan tap
tung va » trung va, tuong va, dung va

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 (chiet tach))) or (hieu lang)) - thanh tung va nhung cong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (chiet tach))) OR (hieu lang)) - thanh tung va nhung cong manh toan cao.
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) or (chiet tach))) or (hieu lang)) - thanh tung va nhung cong manh toan cao*.