Perhaps you should try some spelling variations:
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 anh » van thanh, tuan anh
ve cai » va cai, ve tai, ve cau
ve cac » va cac, vien cac
va cua » va chua, via cua, ca 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 ((ve cai) OR (ve cac)) luc ((van anh) OR (van minh)) va cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((ve cai) or (ve cac)) luc ((van anh) OR (van minh)) va cua te~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((ve cai) or (ve cac)) luc ((van anh) OR (van minh)) va cua te*.