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