Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"viec mat can snippets" » "viec dat can snippets", "viec mot can snippets", "viec va can snippets", "viec bat can snippets", "viec mat dan snippets", "viec 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: (((("viec 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: (((("viec mat can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viec mat can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viec mat can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.