Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi phat doi snippets" » "dai phat doi snippets", "dao phat doi snippets", "hoc phat doi snippets", "doi hat doi snippets", "doi pham doi snippets", "doi thuat doi 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 phat doi 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 phat doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi phat doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi phat doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.