Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xanh cay cua snippets" » "xanh ca cua snippets", "nhanh cay cua snippets", "xanh a cua snippets", "xanh day cua snippets", "xanh cay ca 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 cay cua 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 cay cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xanh cay cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xanh cay cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.