Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam gan don snippets" » "lam san don snippets", "lam ban don snippets", "lam tan don snippets", "lam gian don snippets", "lam van don snippets", "lam gian dong 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 gan 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 gan don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam gan don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam gan don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.