Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
thanh toan » thanh hoa, thanh san
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
trung ap » trung cap, trung lap, trung tam
ap dung » xay dung, van dung

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 sach - thanh trung ap dung cong ((thanh toan) or (tinh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh trung ap dung cong ((thanh toan) OR (tinh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh trung ap dung cong ((thanh toan) or (tinh toan)) cao*.