Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong cua » truong ca, truong quan, huong cua
truong cao » truong dai
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong manh » cong danh, duong manh, cong thanh
toan cau » toan cao, toan ban, toan tai
toan tap » toan 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 - hanh ((truong cua) or (truong cao)) nhung cong manh ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((truong cua) OR (truong cao)) nhung cong manh ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((truong cua) or (truong cao)) nhung cong manh ((toan cau) or (toan tap))*.