Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trung tuan » trung thanh, trung tam, tran tuan
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trung cua » truong cua, trung cap, dung cua
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: hoc chieu sach - hanh ((trung cua) or (trung tuan)) nhung cong ty ((toan cau) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trung cua) OR (trung tuan)) nhung cong ty ((toan cau) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trung cua) or (trung tuan)) nhung cong ty ((toan cau) or (van ban))*.