Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung va da snippets" » "nhung van da snippets", "nhung ba da snippets", "nhung ca da snippets", "nhung va dao snippets", "nhung va dau snippets", "nhung va dap 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 da 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 da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung va da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung va da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.