Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nguoi va le snippets" » "nguoi ma le snippets", "nguoi tay le snippets", "nguoi dao le snippets", "nguoi va de snippets", "nguoi vu le 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: (((("nguoi va le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nguoi va le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nguoi va le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nguoi va le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.