Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"duoc n2 doc snippets" » "duoc 2 doc snippets", "duoc anh doc snippets", "duoc nam doc snippets", "duoc n1 doc snippets", "duoc n3 doc snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("duoc n2 doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duoc n2 doc snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( duoc n2 doc snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc n2 doc snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.