Perhaps you should try some spelling variations:
phu san » phi san, thuy san
danh vi » hanh vi, dinh vi, danh di
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
ve chat » va chat, van chat
cua tre » cuu tre, cua triet, dua tren
vu cham » va cham, vu kham, tu cham
va danh » va dinh, va dan, va hanh
cua te » cua tu
san ky » sang ky, van ky, dan ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: phu san ky lang xa hoi. hieu ((ve chat) or (vu cham)) hoc va danh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phu san ky lang xa hoi. hieu ((ve chat) OR (vu cham)) hoc va danh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "phu san ky lang xa hoi. hieu ((ve chat) or (vu cham)) hoc va danh vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: phu san ky lang xa hoi. hieu ((ve chat) or (vu cham)) hoc va danh vi ((cua tre) OR (cua te))*.