Perhaps you should try some spelling variations:
thieu nien » thien nhien
cua triet » su triet, va triet
ve triet » va trien, su triet
hanh vai » hanh vi, hanh va, hanh tai
cua viet » ca viet, hoa viet, cua vat
nien cac » vien cac, dien cac, bien cac
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky nang x hoi. thieu nien cac xuc va hanh vai ((((cua triet) OR (cua viet))) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang x hoi. thieu nien cac xuc va hanh vai ((((cua triet) OR (cua viet))) OR (ve triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang x hoi. thieu nien cac xuc va hanh vai ((((cua triet) OR (cua viet))) or (ve triet))".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. thieu nien cac xuc va hanh vai ((((cua triet) OR (cua viet))) or (ve triet))*.