Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
va danh » va dinh, va hanh, dia danh
cam luc » cam xuc, cau luc
sach lo » sach dao, sach doi, sach hoi
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
va dan » ca dan, va dao, va dau
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, va cam

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 cao)) hoi. hieu ve cam luc ((va danh) OR (va dan)) vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach lo ((nang xa) or (nang cao)) hoi. hieu ve cam luc ((va danh) OR (va dan)) vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: vu sach lo ((nang xa) or (nang cao)) hoi. hieu ve cam luc ((va danh) OR (va dan)) vi cua tre*.