Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam li cong snippets" » "lam bi cong snippets", "lam li song snippets", "lam lieu cong snippets", "lam lai cong snippets", "tam li cong snippets", "lam gi cong 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 li cong 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 li cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam li cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam li cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.