Perhaps you should try some spelling variations:
tham soc » cham soc, tham nuoc, thai son
cua tre » cua te, cuu tre, cua triet
va hanh » van hanh, va thanh, va danh
va tham » van tham, va cham, va thanh
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
ve cac » va cac, vien cac
de cai » de tai, ve cai
soc va » hoc va, loc va, doc va
vi cua » vai cua, di cua
de cac » den cac, do cac, he cac

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

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