Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh toan » tinh toan, thanh toan, trinh han
trung cua » truong cua, trung tuan, trung cap
tang luan » dung luan
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu sach - hanh ((trung cua) or (tang luan)) bang cong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trung cua) OR (tang luan)) bang cong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trung cua) or (tang luan)) bang cong trinh toan cau*.