Perhaps you should try some spelling variations:
dua tren » dung tren
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cam duc » cam xuc, cao duc, pham duc
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, cua thep
tu van » tu va
ve cam » ve cham, ve cac, va cam
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: tu van ky nang xa hoi. hieu ve cam duc va hanh vi ((((cua tre) OR (dua tren))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu van ky nang xa hoi. hieu ve cam duc va hanh vi ((((cua tre) OR (dua tren))) OR (cua te))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu van ky nang xa hoi. hieu ve cam duc va hanh vi ((((cua tre) OR (dua tren))) or (cua te))*".