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