Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"using li song snippets" » "using l song snippets", "using lc song snippets", "using low song snippets", "using loi song snippets", "using doi song snippets", "using thi song snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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