Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua nhung » va nhung
theo chu » theo chieu, cho chu, chao chu
chu sach » cau sach, thu sach, chieu sach
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu sach - ((hanh tang) OR (hanh mang)) cua nhung ((cong tap) OR (cong tac)) toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu sach - ((hanh tang) or (hanh mang)) cua nhung ((cong tap) OR (cong tac)) toan tap~".
• Adding a wildcard symbol may retrieve word variants: theo chu sach - ((hanh tang) or (hanh mang)) cua nhung ((cong tap) OR (cong tac)) toan tap*.