Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xanh da di snippets" » "xanh a di snippets", "xanh ca di snippets", "xanh di di snippets", "xanh pa di snippets", "xanh da gi snippets", "xanh ma di 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: (((("xanh da di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xanh da di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xanh da di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xanh da di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.