Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"van dinh dat snippets" » "van minh dat snippets", "van dich dat snippets", "va dinh dat snippets", "van dinh ket snippets", "van dinh van snippets", "van dinh lam snippets", "van dinh dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("van dinh dat snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( van dinh dat snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("van dinh dat snippets"))) or ("locating bug code snippets"))*.