Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh dan da snippets" » "thanh dan da snippets", "hanh san da snippets", "canh dan da snippets", "hanh dan dat snippets", "hanh dan ca snippets", "hanh dan va 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: (((("hanh dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh dan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh dan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh dan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.