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