Perhaps you should try some spelling variations:
gap nguoi » gian nguoi, dao nguoi, tay nguoi
nguoi san » nguoi tay, nguoi dao, nguoi ma
san hang » san chang, ban hang, van hang
hang dai » hoang dai, hang tai, hang dau
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su xac
su cac » tu cac, su cao, su can
ve gap » viet gap
x hoi » xa hoi, o hoi, x ho

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) or (su cac)) ky nang x hoi. hieu ve gap nguoi san hang dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky nang x hoi. hieu ve gap nguoi san hang dai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su cac)) ky nang x hoi. hieu ve gap nguoi san hang dai cua tre*.