Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua dan cnc snippets" » "cua dan code snippets", "cua dang cnc snippets", "cua ban cnc snippets", "ca dan cnc snippets", "cua dan cac snippets", "cua dan cach snippets", "cua dan canh 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: (((("cua dan cnc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua dan cnc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua dan cnc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua dan cnc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.