Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
y nang » ky nang, ly nang, v nang
va cam » va cac, va cao, va cai
vi cua » vai cua, di cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 x hoi. lieu ((va cam) or (va cham)) duc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat sach y nang x hoi. lieu ((va cam) OR (va cham)) duc va hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: thuat sach y nang x hoi. lieu ((va cam) or (va cham)) duc va hanh vi cua te*.