Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
xuc van » duc van, luc van, xuc ban
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
ve cam » ve cham, va cam, ve cai
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu 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 ly nang xa hoi. hieu ((ve cam) or (ve cac)) xuc van hanh ((di 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)) xuc van hanh ((di 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)) xuc van hanh ((di cua) or (de cua)) tre*.