Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
cong thanh » dong thanh, cong trinh, cong tan
trung dai » truong dai, truong dao, trung tam
cong manh » cong danh, duong manh, hoang manh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan ban, toan tap, toan tai
toan cao » toan ban, toan tap
dai ung » dap ung, dan ung, di ung

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