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