Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"choi dan cho snippets" » "choi dan code snippets", "hoi dan cho snippets", "hoa dan cho snippets", "hoc dan cho snippets", "choi danh cho snippets", "choi san cho snippets", "choi dac cho snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("choi dan cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi dan cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( choi dan cho snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi dan cho snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.