Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau khau da snippets" » "dau thau da snippets", "cau hat da snippets", "dao khau da snippets", "cau khau dan snippets", "cau kham da snippets", "cau khau va 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: (((("cau khau 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: (((("cau khau da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau khau da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau khau da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.