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