Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc tan so snippets" » "hoc dan so snippets", "hoc tap so snippets", "hoc tai so snippets", "hoc tan soi snippets", "hoc tan son snippets", "hoc than 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 tan so 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 tan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc tan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc tan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.