Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu hai long snippets" » "chu hai phong snippets", "chu hai duong snippets", "chu han long snippets", "thu hai long snippets", "chu cai 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: (((("chu 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: (((("chu hai long snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu hai long snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu hai long snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.