Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
cau phuc » cau truc, chau phu, huu phuc
dia danh » dia ban, gia dinh
va thanh » gia thanh, ban thanh, va tinh
hieu van » hieu va, thien van, lieu va
van cau » van dau, van hau, van chat
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ma hoi » mai hoi, xa hoi, me hoi

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) OR (ma hoa)). hieu van cau phuc ((va thanh) or (dia danh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang ((ma hoi) OR (ma hoa)). hieu van cau phuc ((va thanh) OR (dia danh)) dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang ((ma hoi) OR (ma hoa)). hieu van cau phuc ((va thanh) or (dia danh)) dai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang ((ma hoi) OR (ma hoa)). hieu van cau phuc ((va thanh) or (dia danh)) dai cua tre*.