Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh cua » trinh luat, trinh quan, trinh luan
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » tinh chat, tranh cua, tinh thua
sinh cua » manh cua, dinh cuu, sinh va
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban

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 ((trinh cua) or (((tinh cua) OR (sinh cua)))) bang cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((trinh cua) OR (((tinh cua) OR (sinh cua)))) bang cong san toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((trinh cua) or (((tinh cua) OR (sinh cua)))) bang cong san toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((trinh cua) or (((tinh cua) OR (sinh cua)))) bang cong san toan ban*.