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