Perhaps you should try some spelling variations:
sach truc » cach thuc, sach tren, sach thu
truc nang » truc nano, tru nang, truc trang
tu sach » thu sach, su sach, te sach
van bao » van ban, van dao
va danh » va dinh, va dan, va hanh
danh ca » dan ca, doanh cua, danh cho
van ha » van hoa, van chat, van hanh
ca cua » co cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach truc nang x hoi. hieu ((van ha) or (van bao)) duc va danh ca cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach truc nang x hoi. hieu ((van ha) OR (van bao)) duc va danh ca cua te*.