Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va hanh » van hanh, va thanh, va danh
hai cua » thai cua, hoi cua, lai cua
y nang » ky nang, ly nang, v nang
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang xa hoi. hieu ve cau luc va hanh ((hai cua) OR (dai cua)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc sach y nang xa hoi. hieu ve cau luc va hanh ((hai cua) OR (dai cua)) tu".
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang xa hoi. hieu ve cau luc va hanh ((hai cua) OR (dai cua)) tu*.