Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"nao so robot slippers" » "nao cho robot slippers", "nao tao robot slippers", "nao voi robot slippers", "nam so robot slippers", "nao bo robot slippers", "cao so robot slippers", "nao so robot slippery", "nao so robot grippers"
"locating bug code snippets" » "locating bug core snippets", "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 ("nao so robot slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("nao so robot slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( nao so robot slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("nao so robot slippers"))) or ("locating bug code snippets"))*.