Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong ti don snippets" » "cong ti code snippets", "cong ty don snippets", "cong li don snippets", "cong tu don snippets", "cong tin don snippets", "cong thi doan snippets", "cong thi dong 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 don 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 don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong ti don snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong ti don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.