Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tuat day cho snippets" » "luat day cho snippets", "tuat dat cho snippets", "thuat dam cho snippets", "tuat dac cho snippets", "tuat 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: (((("tuat 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: (((("tuat day cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tuat day cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuat day cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.