Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luat cua cau snippets" » "luat cua code snippets", "luat sua cau snippets", "xuat cua cau snippets", "lua cua cau snippets", "luat chua cau snippets", "luat cua cac snippets", "luat cua chu 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: (((("luat cua 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: (((("luat cua cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luat cua cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat cua cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.