Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ty » sach y, sach tu, sach thu
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
ve cam » ve cham, va cam, ve cai
di cua » dai cua, doi cua, de cua
ve cac » va cac, vien cac

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ty nang xa hoi. hieu ((ve cam) or (ve cac)) xuc ((va danh) or (va hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ty nang xa hoi. hieu ((ve cam) OR (ve cac)) xuc ((va danh) OR (va hanh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ty nang xa hoi. hieu ((ve cam) or (ve cac)) xuc ((va danh) or (va hanh)) di cua tre*.