Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi de doi snippets" » "doi de code snippets", "doi deu doi snippets", "dai de doi snippets", "moi de doi snippets", "doi te doi snippets", "doi ve doi snippets", "doi ke doi snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("doi de doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("doi de doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi de doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi de doi snippets"))) or ("locating bug core snippets"))*.