Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan mon hoc snippets" » "hoang son hoc snippets", "hoang hon hoc snippets", "hoanh son hoc snippets", "hoan toan hoc snippets", "hoan dong 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: (((("hoan mon 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: (((("hoan mon hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan mon hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan mon hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.