Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, cham soc
hanh di » hanh vi, hanh de, hang di
xuc van » duc van, luc van, vuc van
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ly » sach y, sach ty, sach hay
mang xa » lang xa, mang may, dang xay
sach lo » sach dao, sach doi, sach hoi
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de 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) OR (sach lo)) ((mang xa) or (nang cao)) hoi. hieu ve cham xuc van hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu ((sach ly) OR (sach lo)) ((mang xa) OR (nang cao)) hoi. hieu ve cham xuc van hanh di cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu ((sach ly) OR (sach lo)) ((mang xa) or (nang cao)) hoi. hieu ve cham xuc van hanh di cua tre".
• Adding a wildcard symbol may retrieve word variants: vu ((sach ly) OR (sach lo)) ((mang xa) or (nang cao)) hoi. hieu ve cham xuc van hanh di cua tre*.