Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao toi doi snippets" » "dao thoi doi snippets", "dao thi doi snippets", "dan toi doi snippets", "dao tri doi snippets", "dao voi doi snippets", "dao hoi doi 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 toi doi 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 toi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao toi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao toi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.