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