Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"ban anh toan snippets" » "ban anh code snippets", "ban manh toan snippets", "ban anh tuan snippets", "ban thanh toan snippets", "ban hanh toan snippets", "ban banh toan snippets", "ban danh toan 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: (((("ban anh toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban anh toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( ban anh toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban anh toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.