Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tuong du snippets" » "ban huong du snippets", "ban trong du snippets", "va tuong du snippets", "ban truong du snippets", "ban tuong tu snippets", "ban luong du 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: (((("ban tuong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban tuong du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tuong du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tuong du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.