Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"qua hoat hoc snippets" » "qua hoa hoc snippets", "qua hoat ho snippets", "qua khoa hoc snippets", "quan hoat hoc 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: (((("qua hoat hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("qua hoat hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( qua hoat hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("qua hoat hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.