Perhaps you should try some spelling variations:
nghe lam » nghe dan, nghe va, nghe san
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
xa danh » va danh, dia danh, nam danh
sai cua » dai cua, lai cua, bai cua
hai cua » thai cua, dai cua, hoi cua
he nam » ha nam, nghe nam
thu xa » thu xac, thu ha, thu xe

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 ky nang xa hoi. hieu ((he nam) or (nghe lam)) thu xa danh ((sai cua) OR (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang xa hoi. hieu ((he nam) OR (nghe lam)) thu xa danh ((sai cua) OR (hai cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang xa hoi. hieu ((he nam) or (nghe lam)) thu xa danh ((sai cua) OR (hai cua)) tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang xa hoi. hieu ((he nam) or (nghe lam)) thu xa danh ((sai cua) OR (hai cua)) tre*.