Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"han using raw snippets" » "han ung raw snippets", "h2o using raw snippets", "han ping raw snippets", "han using real snippets", "han using a snippets", "han using low snippets", "han using raw slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("han using raw snippets") or ("using java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han using raw snippets") OR ("using java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han using raw snippets ) or ( using java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han using raw snippets") or ("using java java snippets"))) or ("locating bug code snippets"))*.