Perhaps you should try some spelling variations:
dang cao » nang cao, dang ca, dang cac
ky dang » ky nang, ky danh
cao cho » cap cho, cao chat
qua tai » quan tai, qua hai, qua cai
cua tre » cua te, cuu tre, cua triet
te cac » tu cac, ve cac, te cao
son ha » son hai
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te cac ky dang cao cho. hieu qua tai ((((son la) or (son ha))) or (lon va)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te cac ky dang cao cho. hieu qua tai ((((son la) OR (son ha))) OR (lon va)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te cac ky dang cao cho. hieu qua tai ((((son la) or (son ha))) or (lon va)) hanh vi cua tre*.