Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cau te nghe snippets" » "cau ve nghe snippets", "cau re nghe snippets", "cau tu nghe snippets", "cau de nghe snippets", "cau theo 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: (((("cau te 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: (((("cau te nghe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cau te nghe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau te nghe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.