Perhaps you should try some spelling variations:
cham xuc » chat xuc, cham soc, pham duc
vu sach » vu bach, su sach, vu khach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
sach lo » sach dao, sach doi, sach hoi
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach lo ((nang xa) OR (nang ma)) hoi. hieu va ((cham xuc) OR (cam xuc)) va danh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach lo ((nang xa) or (nang ma)) hoi. hieu va ((cham xuc) OR (cam xuc)) va danh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach lo ((nang xa) or (nang ma)) hoi. hieu va ((cham xuc) OR (cam xuc)) va danh vi cua tre*.