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