Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data san cho snippets" » "data phan cho snippets", "dac san cho snippets", "dam san cho snippets", "data sang cho snippets", "data san chi snippets", "data san co 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: (((("data san 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: (((("data san cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data san cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data san cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.