Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian dac doi snippets" » "gian dan doi snippets", "gian cac doi snippets", "giang day doi snippets", "gian sach doi 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 dac doi 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 dac doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dac doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dac doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.