Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doi ke doi snippets" » "doi ke code snippets", "do ke doi snippets", "moi ke doi snippets", "doi de doi snippets", "doi ke do snippets", "doi te doi snippets", "doi ky 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 ke 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 ke doi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( doi ke doi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("doi ke doi snippets"))) or ("locating bug core snippets"))*.