Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
hanh va » hang va, hanh vi
va hanh » van hanh, va thanh, va danh
va chat » van chat, va phat, cao chat
cuu tre » cua tre, cau tren, cau treo
ty nang » ty xang, ty hang, ly nang
ve cam » ve cham, ve cac, va cam
tuc va » thuc va, truc va, tuc xa
va cuu » va cau, va chu, va huu
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 ((ty nang) or (ky nang)) x hoi. hieu ((ve cam) or (va chat)) tuc va hanh va cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((ty nang) OR (ky nang)) x hoi. hieu ((ve cam) OR (va chat)) tuc va hanh va cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ((ty nang) or (ky nang)) x hoi. hieu ((ve cam) or (va chat)) tuc va hanh va cuu tre*.