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