Perhaps you should try some spelling variations:
cong tinh » cong trinh, cong vinh, cong thanh
long tinh » trong tinh, luong tin, dong tin
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
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: theo chu sach - anh tang cua cong ((cong tinh) or (long tinh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - anh tang cua cong ((cong tinh) OR (long tinh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: theo chu sach - anh tang cua cong ((cong tinh) or (long tinh)) toan ban*.