Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha giac mo snippets" » "pha gia mo snippets", "phap giam mo snippets", "phan giai mo snippets", "pha giac do snippets", "pha giac mong snippets", "pha gian mot 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: (((("pha giac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("pha giac mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( pha giac mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha giac mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.