Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tong dam co snippets" » "trong dam co snippets", "thuong dam co snippets", "tuong dan co snippets", "tong dam cao snippets", "tong nam co snippets", "tong lam co 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: (((("tong dam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tong dam co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tong dam co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tong dam co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.