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