Perhaps you should try some spelling variations:
thien van » thi van
cua triet » su triet, va triet
cua viet » ca viet, hoa viet, cua vat
nang xa » nang x, lang xa, nang ma
van hao » van dao, van ha, van bao
hao duc » dao duc, ho duc, cao duc
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
tu dan » tuc dan, cu dan, tu can
tu ban » thu ban, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu dan) OR (tu ban)) ky nang xa hoi. thien van hao duc va hanh di ((cua triet) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu dan) OR (tu ban)) ky nang xa hoi. thien van hao duc va hanh di ((cua triet) OR (cua viet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu dan) OR (tu ban)) ky nang xa hoi. thien van hao duc va hanh di ((cua triet) or (cua viet))".
• Adding a wildcard symbol may retrieve word variants: ((tu dan) OR (tu ban)) ky nang xa hoi. thien van hao duc va hanh di ((cua triet) or (cua viet))*.