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