Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bugs code snippets", "locating bug code slippers"
"python using java snippets" » "python using data snippets"
"con doi dan snippets" » "co doi dan snippets", "con coi dan snippets", "uon doi dan snippets", "con hoi dan snippets", "con doi ban snippets", "con doi dau 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: (((("con doi dan snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con doi dan snippets") OR ("python using java snippets"))) OR ("locating bugs code slippers")).
• Removing quotes may allow a broader search: (((( con doi dan snippets ) or ( python using java snippets ))) or ( locating bugs code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("con doi dan snippets") or ("python using java snippets"))) or ("locating bugs code slippers"))*.