Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vit cap can snippets" » "vit ca can snippets", "viet cau can snippets", "vit cap han snippets", "vit cap van snippets", "vit tap 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: (((("python using java snippets") or ("vit cap can snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("vit cap can snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( vit cap can snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("vit cap can snippets"))) or ("locating bug code snippets"))*.