Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau danh chi snippets" » "cau danh code snippets", "cao danh chi snippets", "chuc danh chi snippets", "nam danh chi snippets", "cau danh cho snippets", "cau dinh chi snippets", "cau banh chi 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: (((("cau danh chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cau danh chi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cau danh chi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cau danh chi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.