Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
vu sach » vu bach, su sach, vu khach
xuc van » duc van, luc van, vuc van
sach ly » sach y, sach lo, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
mang xa » lang xa, mang may, dang xay
di cua » dai cua, doi cua, do cua
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 ((mang xa) or (nang cao)) hoi. hieu ve cham 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 ((mang xa) OR (nang cao)) hoi. hieu ve cham xuc van hanh ((di cua) OR (de cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ly ((mang xa) or (nang cao)) hoi. hieu ve cham xuc van hanh ((di cua) OR (de cua)) tre".
• Adding a wildcard symbol may retrieve word variants: vu sach ly ((mang xa) or (nang cao)) hoi. hieu ve cham xuc van hanh ((di cua) OR (de cua)) tre*.