Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using rbf code snippets" » "using ibm code snippets", "using raw code snippets", "using lbm code snippets", "using rbf code slippers"
"van hoc java snippets" » "van hoa java snippets", "van hoc java slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using rbf code snippets") or ("van hoc java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using rbf code snippets") OR ("van hoc java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using rbf code snippets ) or ( van hoc java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using rbf code snippets") or ("van hoc java snippets"))) or ("locating bugs code snippets"))*.