Perhaps you should try some spelling variations:
van tuan » van quan, anh tuan
thu sai » thu hai, thu tai, thu san
nang ho » nang hoc, nang co, tang ho
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet
sai ky » sac ky
ho hoi » hoc hoi, hoa hoi, hoi hoi
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: thu sai ky nang ho hoi. hieu ((ve cac) or (vien bach)) xuc ((van tuan) OR (van ban)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sai ky nang ho hoi. hieu ((ve cac) OR (vien bach)) xuc ((van tuan) OR (van ban)) hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sai ky nang ho hoi. hieu ((ve cac) or (vien bach)) xuc ((van tuan) OR (van ban)) hai cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sai ky nang ho hoi. hieu ((ve cac) or (vien bach)) xuc ((van tuan) OR (van ban)) hai cua tre*.