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