Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tang cua cao snippets" » "tang cua code snippets", "mang cua cao snippets", "hang cua cao snippets", "tang luan cao snippets", "tang cua cac snippets", "tang cu cao snippets", "tang cua cay 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: (((("tang cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang cua cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tang cua cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang cua cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.