Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tang cua snippets" » "lam sang cua snippets", "dam tang cua snippets", "lam tan cua snippets", "lam mang cua snippets", "lam hang cua snippets", "lam tang luan 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: (((("lam tang 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: (((("lam tang cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tang cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tang cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.