Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chiet tach, chieu sang
doc chieu » doc hieu, doi chieu, toc thieu
trung ap » trung cap, trung lap, trung tam
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
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: doc chieu sach - thanh trung ap dung ((cong tan) or (cong san)) ((toan cau) OR (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu sach - thanh trung ap dung ((cong tan) OR (cong san)) ((toan cau) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc chieu sach - thanh trung ap dung ((cong tan) or (cong san)) ((toan cau) OR (toan cao))".
• Adding a wildcard symbol may retrieve word variants: doc chieu sach - thanh trung ap dung ((cong tan) or (cong san)) ((toan cau) OR (toan cao))*.