Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong bao con snippets" » "cong bao code snippets", "dong bao con snippets", "cong ba con snippets", "cong bo con snippets", "cong bao ton snippets", "cong tao con snippets", "cong bai con 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 bao con 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 bao con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong bao con snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong bao con snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.