Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"shan n2 doc snippets" » "shan n1 doc snippets", "shan n3 doc snippets", "phan n2 doc snippets", "nhan n2 doc snippets", "than n2 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: (((("shan n2 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: (((("shan n2 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( shan n2 doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("shan n2 doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.