Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"100 cua nhan snippets" » "100 ca nhan snippets", "100 cua ngan snippets", "100 cua nha snippets", "600 cua nhan snippets", "2006 cua nhan snippets", "2007 cua nhan snippets", "100 cua nhan 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: (((("100 cua nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("100 cua nhan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( 100 cua nhan snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("100 cua nhan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.