Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc moi nghe snippets" » "luc mi nghe snippets", "luc mot nghe snippets", "luc noi nghe snippets", "luat moi nghe 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: (((("luc moi nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc moi nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc moi nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc moi nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.