Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau van toi snippets" » "ma van toi snippets", "mai van toi snippets", "mao van toi snippets", "mau van tai snippets", "mau van thi snippets", "mau van toan 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 van toi 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 van toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau van toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau van toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.