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