Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat bao cua snippets" » "nhat ban cua snippets", "chat bao cua snippets", "nha bao cua snippets", "nhat bai cua snippets", "nhat bao lua 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 bao cua 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 bao cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat bao cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat bao cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.