Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian duc con snippets" » "giao duc con snippets", "gia duc con snippets", "gian dac con snippets", "gian duc cong snippets", "gian duc ton snippets", "gian duc cuong 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: (((("gian duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian duc con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian duc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.