Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong khan di snippets" » "cong khan code snippets", "cong khanh di snippets", "cong nhan di snippets", "cong phan di snippets", "cong khoan di snippets", "cong khac di snippets", "cong phan dai 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 khan di 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 khan di snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong khan di snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong khan di snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.