Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"has van thuc snippets" » "has va thuc snippets", "has dan thuc snippets", "has van thu snippets", "ha van thuc snippets", "hai van thuc snippets", "hao van thuc snippets", "has van thuc slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("has van thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("has van thuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( has van thuc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("has van thuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.