Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung lam che snippets" » "dung luan che snippets", "dung tai che snippets", "dung dat che snippets", "dung lam chu snippets", "dung la che snippets", "dung lam cha 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: (((("dung lam che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung lam che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung lam che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung lam che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.