Perhaps you should try some spelling variations:
tac nguoi » toc nguoi, tay nguoi, thuc nguoi
nguoi san » nguoi tay, nguoi dao, nguoi ma
san hanh » san thanh, ban hanh, van hanh
nang xa » nang x, lang xa, nang ma
hieu de » hieu ve, hieu he, hieu le
hanh di » hanh vi, hanh de, hang di
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
de tac » de tai, de tao, ve tac
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang xa hoi. hieu de tac nguoi san hanh di ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu de tac nguoi san hanh di ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu de tac nguoi san hanh di ((cua tre) or (cua te))*.