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