Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"le tuan hon snippets" » "le tuan hoan snippets", "le tuan hoang snippets", "le tuan phong snippets", "le xuan hon snippets", "le quang hon snippets", "le thanh hon 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: (((("le tuan hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("le tuan hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( le tuan hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("le tuan hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.