Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc dan mon snippets" » "ngoc dang mon snippets", "ngoc lan mon snippets", "ngoc tan mon snippets", "ngoc dap mon snippets", "ngoc dan dong snippets", "ngoc dong mon 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 dan mon 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 dan mon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc dan mon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc dan mon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.