Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"sam dinh hoc snippets" » "nam dinh hoc snippets", "tham dinh hoc snippets", "pham dinh hoc snippets", "sam sinh hoc snippets", "sam hinh hoc snippets", "sam tinh hoc 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: (((("sam dinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam dinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sam dinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sam dinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.