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

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

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