Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tuan tran mo snippets" » "tuan tran code snippets", "tan tran mo snippets", "toan tran mo snippets", "xuan tran mo snippets", "tuan ran mo snippets", "tuan tran mi snippets", "tuan trang mot 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: (((("tuan tran 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: (((("tuan tran mo snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tuan tran mo snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tuan tran mo snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.