Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
thanh phan » thanh pho, thanh san, thanh toan
trung cap » truong cao, trung tam
dung cong » dung trong
van thanh » ban thanh, van tuan
cap dung » ap dung, cao dung, chan dung
cong van » cong vang, cong san, song van

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((chiet tach) or (chieu sang)) - hanh trung cap dung cong van thanh phan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((chiet tach) OR (chieu sang)) - hanh trung cap dung cong van thanh phan*.