Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao nha con snippets" » "dap nha con snippets", "dam nha con snippets", "dao nga con snippets", "dao nhan con snippets", "dao nha hon snippets", "dao nha co 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: (((("dao nha con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao nha con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao nha con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao nha con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.