Perhaps you should try some spelling variations:
cap nguoi » ca nguoi, giap nguoi, cua nguoi
gap nguoi » gian nguoi, dao nguoi, tay nguoi
dao hanh » dao thanh, dang hanh, ban hanh
hanh de » hanh ve, hanh kem
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
su xac » pu xac, su cac
de cua » le cua, te cua, dieu cua
su sac » su sach, su cac

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 xac)) ky nang xa hoi. hieu ve ((cap nguoi) or (gap nguoi)) dao hanh de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) ky nang xa hoi. hieu ve ((cap nguoi) OR (gap nguoi)) dao hanh de cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su xac)) ky nang xa hoi. hieu ve ((cap nguoi) or (gap nguoi)) dao hanh de cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su xac)) ky nang xa hoi. hieu ve ((cap nguoi) or (gap nguoi)) dao hanh de cua tre*.