Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hanh nha de snippets" » "thanh nha de snippets", "hanh nhan de snippets", "hang nha de snippets", "hanh nhat de snippets", "hanh nha da snippets", "hanh nha xe 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 nha de 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 nha de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh nha de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh nha de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.