Perhaps you should try some spelling variations:
cap nguoi » ca nguoi, gap nguoi, giap nguoi
nguoi san » nguoi tay, nguoi dao, nguoi ma
san hang » san chang, ban hang, van hang
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
ve cap » ve cac, le cap, ve cai
su cac » tu cac, su cao, su can
di cuu » di cua, dinh cuu
di cau » da cau, diem cau
su sac » su sach, su xac

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 xa hoi. hieu ve cap nguoi san hang ((di cuu) OR (di cau)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su cac)) ky nang xa hoi. hieu ve cap nguoi san hang ((di cuu) OR (di cau)) tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) or (su cac)) ky nang xa hoi. hieu ve cap nguoi san hang ((di cuu) OR (di cau)) tre*".