Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoan than go snippets" » "hoan thanh go snippets", "hoa than go snippets", "hoan tran go snippets", "hoan than vo snippets", "hoan than o snippets", "hoan than so 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: (((("hoan than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoan than go snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoan than go snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoan than go snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.