Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trung » thanh trung, hanh trang, manh trung
doi chieu » doc hieu, doi chi, ho chieu
trung cua » truong cua, trung tuan, trung cap
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
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: doi chieu sach - hanh trung cua bang cong trinh ((toan cao) or (van ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh trung cua bang cong trinh ((toan cao) OR (van ban)).
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh trung cua bang cong trinh ((toan cao) or (van ban))*.