Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian don cau snippets" » "gian dan cau snippets", "giang son cau snippets", "gian dien cau snippets", "gian don ca snippets", "gian toan cau snippets", "gian cong cau 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 don cau 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 don cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian don cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian don cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.