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