Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vung mat can snippets" » "vung dat can snippets", "dung mat can snippets", "duong mat can snippets", "vung bat can snippets", "vung mat dan snippets", "vung mao can 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: (((("vung mat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vung mat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vung mat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vung mat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.