Perhaps you should try some spelling variations:
tai nguoi » tay nguoi, tac nguoi, loai nguoi
nguoi san » nguoi tay, nguoi dao, nguoi ma
san hang » san chang, ban hang, van hang
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
hang vi » hang va, hanh vi, hang di
cua tre » cuu tre, cua triet, dua tren
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
ve tai » te tai, de tai, le tai
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 ve tai nguoi san hang vi ((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 ve tai nguoi san hang vi ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ve tai nguoi san hang vi ((cua tre) or (cua te))*.