Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xen tong da snippets" » "men tong da snippets", "ben trong da snippets", "jen tzong da snippets", "xen tong dam snippets", "xen tong dac snippets", "xen song da 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: (((("xen tong 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: (((("xen tong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xen tong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xen tong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.