Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian doan co snippets" » "gian dan co snippets", "giai doan co snippets", "gian don co snippets", "gian doanh co snippets", "gian toan co snippets", "gian doan do 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 doan co 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 doan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian doan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian doan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.