Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat thu ca snippets" » "dat phu ca snippets", "sat thuc ca snippets", "dat tieu ca snippets", "dat thu cua snippets", "dat thu ha snippets", "dat thu ba 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: (((("dat thu ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat thu ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat thu ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat thu ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.