Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
thanh phan » thanh pho, thanh san, thanh toan
thien van » thi van
trung cap » truong cao, trung tam
dung cong » dung trong
san thanh » ban thanh, van thanh, son thanh
cap dung » ap dung, cao dung, chan dung
cong san » cong tac

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

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