Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"san 2014 cua snippets" » "sinh 2014 cua snippets", "nam 2014 cua snippets", "ban 2019 cua snippets", "san 2015 cua 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: (((("san 2014 cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("san 2014 cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( san 2014 cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("san 2014 cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.