Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han cho de snippets" » "hang cho de snippets", "han che de snippets", "san cho de snippets", "han cho he snippets", "han cao de snippets", "han cho xe 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 cho de 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 cho de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han cho de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han cho de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.