Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
doi chieu » doc hieu, doi chi, ho chieu
chan dung » van dung, dan dung
cap dung » ap dung, cao dung, cach dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sach - thanh trung ((cap dung) OR (chan dung)) cong tan toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu sach - thanh trung ((cap dung) OR (chan dung)) cong tan toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - thanh trung ((cap dung) OR (chan dung)) cong tan toan cau*.