Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
su sach » so sach, vu sach
y trong » ly trong, ky trong, a trong
_ trong » _ truong, _ trang, le trong
van hoi » van hoa, van hoc, van hoe
hieu ve » hieu va, hieu van
cam cua » ca cua, nam cua, cau cua
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ((y trong) OR (_ trong)) van hoi. hieu ve cam cua ban thanh vai ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ((y trong) OR (_ trong)) van hoi. hieu ve cam cua ban thanh vai ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ((y trong) OR (_ trong)) van hoi. hieu ve cam cua ban thanh vai ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: su sach ((y trong) OR (_ trong)) van hoi. hieu ve cam cua ban thanh vai ((cua triet) or (cua viet))*.