Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"cu thi dan snippets" » "cu thi doan snippets", "cu thi lan snippets", "cu thi dai snippets", "cau thi dan snippets", "chu thi dan snippets", "su thi dan 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: (((("cu thi dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu thi dan snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( cu thi dan snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu thi dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.