Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban
y nang » ky nang, ly nang, v nang
va cam » va cac, va cao, va cai
vi cua » vai cua, di cua
cua su » qua su

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