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