Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhung su ho snippets" » "nhung quy ho snippets", "nhung cau ho snippets", "nhung mau ho snippets", "nhung su hoa snippets", "nhung su hoc snippets", "nhung su pho 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 su ho 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 su ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung su ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung su ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.