Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nang doc » nang luc
hanh vai » hanh vi, hanh va, hanh tai
doc hoi » duoc hoi, hoc hoi, doc hai
cua tre » cua te, cuu tre, dua tren
va hanh » van hanh, va thanh, va danh
tu can » tu ban, tu cac, thu canh
xuc va » duc va, tuc va, luc va
can ky » van ky, dan ky, ban ky
ve cam » ve cham, va cam, ve cai
ve cac » va cac, vien cac

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

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