Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
van hanh » van thanh, ban hanh, van anh
tu sach » thu sach, su sach, te sach
qua cam » qua cac, qua ca, qua cai
xuc van » duc van, luc van, xuc ban
cuu tre » cua tre, cau tren, cau treo
y nang » ky nang, ly nang, v nang
vi cuu » vi luu, vinh cuu
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang x hoi. hieu ((qua cam) or (qua cham)) xuc van hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang x hoi. hieu ((qua cam) OR (qua cham)) xuc van hanh vi cuu tre*.