Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dai thuc du snippets" » "dan thuc du snippets", "dai thu du snippets", "dai thua du snippets", "dai truc du snippets", "dai thuc su snippets", "dai thuc tu 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: (((("python using java snippets") or ("dai thuc du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dai thuc du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dai thuc du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dai thuc du snippets"))) or ("locating bug code snippets"))*.