Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc phat soc snippets" » "hoc phan soc snippets", "hoc phap soc snippets", "hoc pho soc snippets", "hoc cham soc snippets", "hoc nhat so snippets", "hoc phap so 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: (((("hoc phat soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc phat soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc phat soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc phat soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.