Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong hoa can snippets" » "cong hoa code snippets", "dong hoa can snippets", "dong hoc can snippets", "hang hoa can snippets", "cong khoa can snippets", "cong hoa dan snippets", "cong hoa van 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 hoa can 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 hoa can snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong hoa can snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong hoa can snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.