Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ca toi snippets" » "nhat cua toi snippets", "nhap ca toi snippets", "hat ca toi snippets", "nhat cac toi snippets", "nhat ca tai 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: (((("nhat ca toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhat ca toi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ca toi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ca toi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.