Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van chat » cao chat
van cau » van dau, van hau, toan cau
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cam duc » cao duc, pham duc, nam duoc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang

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: tu sach ky lang xa hoi. hieu va ((cam duc) OR (cam xuc)) ban thanh ((van cau) OR (van chat)) triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang xa hoi. hieu va ((cam duc) or (cam xuc)) ban thanh ((van cau) OR (van chat)) triet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu va ((cam duc) or (cam xuc)) ban thanh ((van cau) OR (van chat)) triet*.