Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hien te snippets" » "doi dien te snippets", "doi bien te snippets", "doi kien te snippets", "doi tien te snippets", "doi hien tu snippets", "doi khien tu 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: (((("doi hien te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi hien te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hien te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hien te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.