Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chao nu doc snippets" » "chao xu doc snippets", "chao chu doc snippets", "chao n1 doc snippets", "chao n2 doc snippets", "chao n3 doc 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: (((("chao nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chao nu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chao nu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chao nu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.