Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"biet cua cua snippets" » "bieu cua cua snippets", "bien cua cua snippets", "biet giua cua snippets", "biet cua chua snippets", "biet ca cua snippets", "biet qua cua 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: (((("biet cua 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: (((("biet cua cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( biet cua cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("biet cua cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.