Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
cham cuu » cap cuu, chat cua
thai cua » than cua, tai cuc, tri cua
tai cua » tai cuc, tri cua, dai cua
cuu ban » cuu van, cua ban, cuu san
su sach » so sach, vu sach
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
hieu ve » hieu van
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang

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