Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"than ke mo snippets" » "thanh ke mo snippets", "than ky mo snippets", "toan ke mo snippets", "than ke o snippets", "than ke co snippets", "than ke do 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: (((("than ke mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("than ke mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( than ke mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("than ke mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.