Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban cau toi snippets" » "bang cau toi snippets", "ban can toi snippets", "van cau toi snippets", "ban cau hoi snippets", "ban cau thi snippets", "ban cac toi 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: (((("ban cau 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: (((("ban cau toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban cau toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban cau toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.