Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, manh hung
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan cau » toan tap, toan tai
toan cao » toan tap
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - manh trung cua nhung cong tan ((toan cau) or (((toan cao) or (toan ban))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - manh trung cua nhung cong tan ((toan cau) OR (((toan cao) OR (toan ban)))).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - manh trung cua nhung cong tan ((toan cau) or (((toan cao) or (toan ban))))*.