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