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