Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"500 cau lanh snippets" » "500 cau danh snippets", "500 cay lanh snippets", "500 dau lanh snippets", "100 cau lanh snippets", "50 cau lanh snippets", "501 cau lanh snippets", "500 cau lanh slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("500 cau lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("500 cau lanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 500 cau lanh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("500 cau lanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.