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