Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doc nhanh mo snippets" » "hoc nhanh mo snippets", "doc hanh mo snippets", "doc thanh mo snippets", "doc nhan mo snippets", "doc thanh moi 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: (((("doc nhanh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc nhanh mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doc nhanh mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc nhanh mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.