Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam hinh so snippets" » "lam tinh so snippets", "lam linh so snippets", "nam hinh so snippets", "lam chinh so snippets", "lam dinh so snippets", "lam hinh su 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 hinh so 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 hinh so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam hinh so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam hinh so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.