Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc cong ho snippets" » "ngoc cuong ho snippets", "nuoc cong ho snippets", "ngoc long ho snippets", "ngoc cong hoa snippets", "ngoc cong cho snippets", "ngoc cong 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: (((("ngoc cong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc cong ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc cong ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc cong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.