Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai vu cao snippets" » "hai vu cao snippets", "bai tu cao snippets", "bui vu cao snippets", "bai cu cao snippets", "bai va cao 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: (((("bai vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai vu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai vu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.