Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc ki du snippets" » "hoc ky du snippets", "hoc kinh du snippets", "hoc khoi du snippets", "hoc ki su snippets", "hoc li du snippets", "hoc di du 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 ki du 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 ki du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc ki du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc ki du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.