Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngang ve co snippets" » "ngan ve co snippets", "ngang _ co snippets", "dang ve co snippets", "ngang vo co snippets", "ngang va co snippets", "ngang de co 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: (((("ngang ve co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngang ve co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngang ve co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngang ve co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.