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