Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc gia cat snippets" » "hoc giao cat snippets", "hoc giai cat snippets", "toc gia cat snippets", "hoc gia chat snippets", "hoc gia cam snippets", "hoc gian cac 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: (((("hoc gia cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc gia cat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoc gia cat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoc gia cat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.