Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi nam line snippets" » "doi nam linh snippets", "doi bam line snippets", "doi nam dinh snippets", "noi nam line snippets", "voi nam line snippets", "dong nam line 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 nam line 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 nam line snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi nam line snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi nam line snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.