Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » trinh luat, trinh quan, trinh luan
tinh cua » sinh cua, tinh chat, tranh cua
cong san » cong tac
san chat » van chat, san chay, ban chat
chat cao » chat co, chat cho, chat bao

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 ((trinh cua) or (tinh cua)) nhung cong san chat cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trinh cua) OR (tinh cua)) nhung cong san chat cao.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trinh cua) or (tinh cua)) nhung cong san chat cao*.