Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thai cua » than cua, tai cuc, dai cua
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
cuc ban » cua ban, cac ban, cuu ban
va cam » va cham, va cao, va cai

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 ky nang xa hoi. hieu ((va cam) OR (va cac)) cuc ban thanh ((tri cua) or (thai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang xa hoi. hieu ((va cam) OR (va cac)) cuc ban thanh ((tri cua) OR (thai cua)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang xa hoi. hieu ((va cam) OR (va cac)) cuc ban thanh ((tri cua) or (thai cua)) triet".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang xa hoi. hieu ((va cam) OR (va cac)) cuc ban thanh ((tri cua) or (thai cua)) triet*.