Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc du he snippets" » "truc du he snippets", "thuc su he snippets", "thuc tu he snippets", "thuc do he snippets", "thuc du ha 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: (((("thuc du 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: (((("thuc du he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc du he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc du he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.