Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"doi co trong slippers" » "doi ro trong slippers", "doi ca trong slippers", "doi go trong slippers", "doi bo trong slippers", "moi co trong slippers", "hoi co trong slippers", "doi co trong slippery", "doi co trong grippers"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("doi co trong slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doi co trong slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doi co trong slippers"))) or ("locating bug code snippets"))*.