Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuong de co snippets" » "phuong de co snippets", "thuong de co snippets", "chuong my co snippets", "chuong ke co 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: (((("chuong de co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuong de co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuong de co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuong de co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.