Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian dua doc snippets" » "gian cua doc snippets", "gian thua doc snippets", "giang dia doc snippets", "gian duy doc snippets", "gian cua duoc snippets", "gian qua duoc 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 dua doc 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 dua doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dua doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dua doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.