Perhaps you should try some spelling variations:
cham truc » cau truc, nham thuc, pham thuc
toc sach » hoc sach, doc sach, thuoc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va cham » va chat, va tham
truc va » thuc va, thuc vat, trung va
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, lai chau, thai cua
hai cua » thai cua, dai cua, hoi cua

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 x ho. lieu va cham truc va hanh ((lai cua) OR (hai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang x ho. lieu va cham truc va hanh ((lai cua) OR (hai cua)) te".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang x ho. lieu va cham truc va hanh ((lai cua) OR (hai cua)) te*.