Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san, tinh toan
chau tinh » cuu tinh, ha tinh, cua tinh
hang cong » hang nong, bang cong, thanh cong
dang cong » dung cong
hanh ban » thanh ban, hang ban, hanh san
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 ((hang cong) OR (dang cong)) thanh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chau tinh)) - hanh ban cua ((hang cong) OR (dang cong)) thanh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chau tinh)) - hanh ban cua ((hang cong) OR (dang cong)) thanh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chau tinh)) - hanh ban cua ((hang cong) OR (dang cong)) thanh toan cau*.