Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat day cho snippets" » "xuat xay cho snippets", "luat day cho snippets", "xuat va cho snippets", "xuat dac cho snippets", "xuat danh cho 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: (((("xuat day cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xuat day cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat day cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat day cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.