Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han nam do snippets" » "hanh nam do snippets", "nhan nam do snippets", "hang nam do snippets", "han nam dao snippets", "han nam doi snippets", "han nam bo 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: (((("han nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han nam do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han nam do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han nam do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.