Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich uu cho snippets" » "dich vu cho snippets", "dich tu cho snippets", "dich cua cho snippets", "dich cu cho snippets", "dich zu 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: (((("dich uu 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: (((("dich uu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich uu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich uu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.