Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao tinh da snippets" » "dac tinh da snippets", "dao minh da snippets", "dao dinh da snippets", "dao tinh va snippets", "dao tinh gia snippets", "dao tinh lao 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 tinh da 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 tinh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao tinh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tinh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.