Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao moi doi snippets" » "dao moi code snippets", "dai moi doi snippets", "do moi doi snippets", "dao noi doi snippets", "dao voi doi snippets", "dao hoi doi snippets", "dao moi voi snippets"
"python using java snippets" » "python using data 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 moi doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dao moi doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dao moi doi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao moi doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.