Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
cam tuc » cam xuc, cam tu, nam thuc
ty nang » ky nang, ty hang, ly nang
lam cua » nam cua, lam chat
lap cua » lai cua, tap cua, ap cua
va cam » va cham, va cac, va cao
tuc va » thuc va, truc va, tuc xa
x hoi » xa hoi, o hoi, x ho

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((ty nang) or (ty xang)) x hoi. lieu va cam tuc va thanh ((lap cua) OR (lam cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ty nang) OR (ty xang)) x hoi. lieu va cam tuc va thanh ((lap cua) OR (lam cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((ty nang) or (ty xang)) x hoi. lieu va cam tuc va thanh ((lap cua) OR (lam cua)) te".
• Adding a wildcard symbol may retrieve word variants: toc sach ((ty nang) or (ty xang)) x hoi. lieu va cam tuc va thanh ((lap cua) OR (lam cua)) te*.