Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bai luan cua snippets" » "bai luan code snippets", "bai toan cua snippets", "li luan cua snippets", "vay luan cua snippets", "bai quan cua snippets", "bai lua cua snippets", "bai luat cua 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 cua 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 cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( bai luan cua snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai luan cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.