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