Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam dam cao snippets" » "lam dau cao snippets", "dam dam cao snippets", "lam dao cao snippets", "lam dam bao snippets", "lam nam cao snippets", "lam dam rao 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 dam cao 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 dam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam dam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.