Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoai tu cay snippets" » "hoai thu cay snippets", "hoi tu cay snippets", "loai tu cay snippets", "hoai tu cac snippets", "hoai tu can 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: (((("hoai tu cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoai tu cay snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoai tu cay snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoai tu cay snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.