Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xanh lam di snippets" » "hanh lam di snippets", "dinh lam di snippets", "xanh a di snippets", "xanh lam gi snippets", "xanh lay di snippets", "xanh nam 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 lam 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 lam di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xanh lam di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xanh lam di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.