Perhaps you should try some spelling variations:
nam danh » nam dinh, nam dan
cuu tre » cau tren, cau treo
nang xa » nang x, lang xa, nang ma
hieu he » hieu ve, hiem he, hieu le
cua tre » cua te, cua triet, dua tren
xa danh » va danh, dia danh, van danh
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
he nam » ha nam, nghe nam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky nang xa hoi. hieu he nam thu ((xa danh) or (nam danh)) sai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky nang xa hoi. hieu he nam thu ((xa danh) OR (nam danh)) sai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: tu sac ky nang xa hoi. hieu he nam thu ((xa danh) or (nam danh)) sai ((cua tre) or (cuu tre))*.