Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cho mong snippets" » "hoc cho muong snippets", "hoc cho cong snippets", "hoc cho dong snippets", "hoc cao mong snippets", "hoc pho mong snippets", "hoc co mong 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 cho mong 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 cho mong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc cho mong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc cho mong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.