Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
trinh toan » tinh toan, thanh toan, trinh han
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, hang cong
cua bang » chua bang, cua ban, cua dang
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: doi ((chieu sach) or (((chieu tinh) or (trieu tinh)))) - hanh tranh cua bang cong trinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu sach) OR (((chieu tinh) OR (trieu tinh)))) - hanh tranh cua bang cong trinh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) or (((chieu tinh) or (trieu tinh)))) - hanh tranh cua bang cong trinh toan tap*.