Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
van chat » cao chat
chat xuc » chat huu, cam xuc, chao xu
lai cua » dai cua, hai cua, lai chau
vai cua » dai cua, hai cua, bai cua
va hanh » van hanh, va thanh, va danh
nang ma » tang ma, sang ma, nang cao
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach y nang ma hoi. hieu van chat xuc ((va hanh) or (ban hanh)) ((vai cua) OR (lai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang ma hoi. hieu van chat xuc ((va hanh) OR (ban hanh)) ((vai cua) OR (lai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang ma hoi. hieu van chat xuc ((va hanh) or (ban hanh)) ((vai cua) OR (lai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang ma hoi. hieu van chat xuc ((va hanh) or (ban hanh)) ((vai cua) OR (lai cua)) tre*.