Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phau con de snippets" » "phai con de snippets", "phan cong de snippets", "pham cong de snippets", "phau cong de snippets", "phau con se 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: (((("phau con de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phau con de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phau con de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phau con de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.