Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vang ve cac snippets" » "vang de cac snippets", "dang ve cac snippets", "hang ve cac snippets", "vang va cac snippets", "vang vien cac 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: (((("vang ve 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: (((("vang ve cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vang ve cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang ve cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.