Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh luan » trinh luat, trinh quan, trinh han
hoc chieu » hoc thieu, ho chieu, hoc hien
dung cong » dung trong
manh toan » thanh toan, anh tuan, tinh toan
tinh cua » trinh cua, sinh cua, tinh chat
van tan » van tuan, van ban, van tai

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 luan) or (tinh cua)) dung cong ((manh toan) or (van tan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - hanh ((trinh luan) OR (tinh cua)) dung cong ((manh toan) OR (van tan)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - hanh ((trinh luan) or (tinh cua)) dung cong ((manh toan) or (van tan)) ban*.