Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"anh cho cao snippets" » "danh cho cao snippets", "anh tho cao snippets", "anh co cao snippets", "anh cho cac snippets", "anh cho dao snippets", "anh cho can 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: (((("anh cho 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: (((("anh cho cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh cho cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh cho cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.