Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"duoc lac can snippets" » "duoc lam can snippets", "duoc cac can snippets", "duoc luan can snippets", "duoc tac can snippets", "duoc bac can snippets", "duoc law can 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 lac can 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 lac can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc lac can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc lac can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.