Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam tin don snippets" » "lam tinh don snippets", "lam tan don snippets", "luat tin don snippets", "lam tien dong snippets", "lam tin dung snippets", "lam tinh doi 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 tin don 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 tin don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam tin don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam tin don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.