Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
trinh toan » tinh toan, thanh toan, trinh han
trang cua » tranh cua, trung cua, thang cua
tang luan » dung luan
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
tang cua » mang cua, hang cua, thong cua
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 ((((trang cua) OR (tang cua))) or (tang luan)) bang cong trinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh ((((trang cua) OR (tang cua))) OR (tang luan)) bang cong trinh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh ((((trang cua) OR (tang cua))) or (tang luan)) bang cong trinh toan ban".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh ((((trang cua) OR (tang cua))) or (tang luan)) bang cong trinh toan ban*.