Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac
luc va » duc va, tuc va, loc va
de cua » le cua, te cua, dieu cua

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 ly nang xa hoi. hieu ((ve cam) or (ve cac)) luc va hanh ((dai cua) or (de cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang xa hoi. hieu ((ve cam) OR (ve cac)) luc va hanh ((dai cua) OR (de cua)) tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang xa hoi. hieu ((ve cam) or (ve cac)) luc va hanh ((dai cua) or (de cua)) tre*.