Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
danh vai » danh sai, danh va, doanh van
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, va hanh
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cam » va cham, va cac, va cai
va cao » va cac, va co, va dao
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: thuat sach y nang xa hoi. hieu ((va cam) OR (va cao)) luc va danh vai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach y nang xa hoi. hieu ((va cam) OR (va cao)) luc va danh vai cua tre".
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang xa hoi. hieu ((va cam) OR (va cao)) luc va danh vai cua tre*.