Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach su cho snippets" » "cach tu cho snippets", "hoach su cho snippets", "cach su choi snippets", "cach su co snippets", "cach cu cho 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: (((("cach su 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: (((("cach su cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach su cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach su cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.