Perhaps you should try some spelling variations:
luat cong » thuat cong, luat chung, cua cong
theo cau » theo chu, theo cap, theo dau
cau sach » cao sach, hau sach, rau sach
anh tang » anh dang, anh nang, anh sang
anh bang » anh hoang, anh quang, tinh bang
dong san » cong san, dong bang, dong von
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: theo cau sach - ((anh tang) or (anh bang)) luat cong ((dong san) or (huong dan)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo cau sach - ((anh tang) OR (anh bang)) luat cong ((dong san) OR (huong dan)) toan tap.
• Adding a wildcard symbol may retrieve word variants: theo cau sach - ((anh tang) or (anh bang)) luat cong ((dong san) or (huong dan)) toan tap*.