Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
van cau » van dau, van chat, toan cau
van hau » van ha, van hai, van dau
xuc van » duc van, luc van, xuc ban
vuc van » duc van, luc van, thuc van
tai cua » thai cua, tai cuc, tri cua
cua te » cua tu

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 ky nang xa hoi. hieu ((van cau) OR (van hau)) ((xuc van) OR (vuc van)) thanh tai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((van cau) or (van hau)) ((xuc van) OR (vuc van)) thanh tai cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((van cau) or (van hau)) ((xuc van) OR (vuc van)) thanh tai cua te*.