Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi day dong snippets" » "doi dao dong snippets", "doi dan dong snippets", "doi dam dong snippets", "duoi day dong snippets", "doi dau dong snippets", "loi day dong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("doi day dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi day dong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi day dong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi day dong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.