Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chau tinh » cuu tinh, ha tinh, cua tinh
dung cong » dung trong
hang cong » dang cong, hang nong, bang cong
hanh ban » thanh ban, hang ban, hanh san
van toan » van tuan, van tan, van thanh
toan cau » toan cao, toan ban, toan tap
ban cua » ban quan

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sach) or (chau tinh)) - hanh ban cua ((dung cong) or (hang cong)) van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chau tinh)) - hanh ban cua ((dung cong) OR (hang cong)) van toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chau tinh)) - hanh ban cua ((dung cong) or (hang cong)) van toan cau*.