Perhaps you should try some spelling variations:
thien van » thi van
ban thanh » ban hanh, ban hang
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
van cac » van hac, van cau, van bac
cac dac » cac dan, cac dai, cac bac
dac ban » cac ban, dac san, duc ban
y nang » ky nang, ly nang, v nang

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 y nang ((xa hoi) or (x ho)). thien van cac dac ban thanh tai ((cua triet) OR (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang ((xa hoi) OR (x ho)). thien van cac dac ban thanh tai ((cua triet) OR (cua viet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y nang ((xa hoi) or (x ho)). thien van cac dac ban thanh tai ((cua triet) OR (cua viet))*".