Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
van hanh » van thanh, ban hanh, van anh
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
duc van » duc va, duc tan, duc manh
y nang » ky nang, ly nang, v nang
va cai » va bai, va dai, va cao
vi cua » vai cua, di cua
cua te » cua tu

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