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