Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khuc vit con snippets" » "thuc viet con snippets", "chuc viet con snippets", "thuc vat con snippets", "khuc vat con snippets", "khuc vi con snippets", "khuc vot con 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: (((("khuc vit con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuc vit con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuc vit con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuc vit con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.