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