Perhaps you should try some spelling variations:
cai nguoi » ca nguoi, coi nguoi, cuoi 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 ve » hieu va, hieu van
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
ve cai » va cai, ve cac, ve 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 cai nguoi san hanh di ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sac ky nang xa hoi. hieu ve cai nguoi san hanh di ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ve cai nguoi san hanh di ((cua tre) OR (cua te))*.