Perhaps you should try some spelling variations:
thai cua » than cua, tai cuc, tri cua
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cam » van lam, van cau, van dam
xuc van » duc van, luc van, vuc van
tai cua » tai cuc, tri cua, dai cua

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