Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xen ban cong snippets" » "xen bang cong snippets", "xen van cong snippets", "xen phan cong snippets", "xe ban cong snippets", "dien ban cong snippets", "den bang cong 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 ban cong 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 ban cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xen ban cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xen ban cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.