Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua hai long snippets" » "cua hai phong snippets", "cua hai duong snippets", "qua hai long snippets", "cua dai long snippets", "cua hoi long 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: (((("cua hai long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua hai long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua hai long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua hai long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.