Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
lanh tranh » canh tranh, lan tranh, hanh trinh
tranh cua » doanh cua, manh cua
bang cong » dang cong, bang song, dung cong
hang cong » dang cong, hang nong, thanh cong
ho chieu » theo chieu, hoc thieu, doi chieu
phan dau » hang dau

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 - lanh tranh cua ((bang cong) or (hang cong)) toan ((phan dau) or (phan tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - lanh tranh cua ((bang cong) OR (hang cong)) toan ((phan dau) OR (phan tu)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - lanh tranh cua ((bang cong) or (hang cong)) toan ((phan dau) or (phan tu))*.