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