Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap son da snippets" » "nhap mon da snippets", "nhap cong da snippets", "phap song da snippets", "nhap song da snippets", "nhap son la snippets", "nhap son ha 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: (((("nhap son da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhap son da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap son da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap son da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.