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