Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham dan du snippets" » "nam dan du snippets", "hat dan du snippets", "hai dan du snippets", "ham dan dau snippets", "ham danh du snippets", "ham dan su 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: (((("python using java snippets") or ("ham dan du snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("ham dan du snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( ham dan du snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("ham dan du snippets"))) or ("locating bug code snippets"))*.