Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"net vien cac snippets" » "net ve cac snippets", "net vien bach snippets", "net vien dai snippets", "net vien da 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: (((("net vien cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("net vien cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( net vien cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("net vien cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.