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