Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bai luan cau snippets" » "bai luan code snippets", "bai toan cau snippets", "li luan cau snippets", "vay luan cau snippets", "bai quan cau snippets", "bai lua cau snippets", "bai luat cau 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: (((("bai luan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bai luan cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bai luan cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai luan cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.