Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc toan ho snippets" » "ngoc tuan ho snippets", "ngoc tan ho snippets", "ngoc thanh ho snippets", "ngoc toan hoc snippets", "ngoc toan khoa snippets", "ngoc toan cao 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: (((("ngoc toan 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: (((("ngoc toan ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc toan ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc toan ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.