Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xen phan che snippets" » "kenh phan che snippets", "benh phan che snippets", "dien phan che snippets", "xen han che snippets", "xen phap che snippets", "xen phan thi 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 phan che 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 phan che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xen phan che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xen phan che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.