Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"rong dich he snippets" » "trong dich he snippets", "luong dich he snippets", "chong dich he snippets", "rong dich che snippets", "rong dich te snippets", "rong tich he 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: (((("rong dich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("rong dich he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( rong dich he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("rong dich he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.