Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"nhan dan lua slippers" » "phan dau lua slippers", "gian dan lua slippers", "nhan tai lua slippers", "nhan dan luan slippers", "nhan dan luat slippers", "nhan dan cua slippers", "nhan dan lua slippery", "nhan dan lua 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 ("nhan dan lua slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("nhan dan lua slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( nhan dan lua slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("nhan dan lua slippers"))) or ("locating bug code snippets"))*.