Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luan bao de snippets" » "luat bao de snippets", "luan ban de snippets", "xuan bao de snippets", "luan bao ve snippets", "luan nao de snippets", "luan bo de 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: (((("luan bao 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: (((("luan bao de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan bao de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan bao de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.