Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thien van » thi van
thanh tai » thanh hai, thanh toan, doanh tai
cua triet » cua viet, su triet, va triet
tu sach » thu sach, su sach, te sach
ly nang » ky nang, ly hang, ly vang
van cac » van hac, van cau, van bac
cac dac » cac dan, cac dai, cac bac
dac ban » cac ban, dac san, duc ban
tai cua » thai cua, tai cuc, tri cua
y nang » ky nang, v nang, may 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) OR (ly nang)) ((xa hoi) or (x ho)). thien van cac dac ban thanh tai cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) ((xa hoi) OR (x ho)). thien van cac dac ban thanh tai cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((y nang) OR (ly nang)) ((xa hoi) or (x ho)). thien van cac dac ban thanh tai cua triet*".