Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"che hoat dan snippets" » "che khoa dan snippets", "cao hoat dan snippets", "co hoat dan snippets", "che hoa dan snippets", "che hat dan snippets", "che hoat van snippets", "che hoat dan slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("che hoat dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("che hoat dan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( che hoat dan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("che hoat dan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.