Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong nhan mo snippets" » "cong nhan code snippets", "cong nhat mo snippets", "cong thanh mo snippets", "cong san mo snippets", "cong nhan my snippets", "cong phan mo snippets", "cong nhap mon 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: (((("cong nhan mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong nhan mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong nhan mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong nhan mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.