Perhaps you should try some spelling variations:
dau tren » dau tien, dat tren, dau tieng
cau tren » cu tren, ca tren, cau treo
van cham » van chat, van tham, van pham
hanh vai » hanh vi, hanh va, hanh tai
va hanh » van hanh, va thanh, va danh
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
va cham » va chat, va tham
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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: tu sach ty nang x hoi. hieu ((van cham) OR (va cham)) xuc va hanh vai ((cau tren) OR (dau tren))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty nang x hoi. hieu ((van cham) OR (va cham)) xuc va hanh vai ((cau tren) or (dau tren))~".
• Adding a wildcard symbol may retrieve word variants: tu sach ty nang x hoi. hieu ((van cham) OR (va cham)) xuc va hanh vai ((cau tren) or (dau tren))*.