Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
dang xay » dang van, van xay
vu sach » vu bach, su sach, vu khach
va hanh » van hanh, va thanh, va danh
qua cam » qua cac, qua ca, qua cai
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va
vi cua » vai cua, di 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 y ((nang xa) or (dang xay)) hoi. hieu ((qua cam) OR (qua cham)) xuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((nang xa) OR (dang xay)) hoi. hieu ((qua cam) OR (qua cham)) xuc va hanh vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach y ((nang xa) or (dang xay)) hoi. hieu ((qua cam) OR (qua cham)) xuc va hanh vi cua tre*".