Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhap min son snippets" » "nhap mon son snippets", "nhat minh son snippets", "nhap kinh son snippets", "nhap minh son snippets", "nhap tinh son snippets", "nhap lien son 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 min son 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 min son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhap min son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhap min son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.