Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"han quoc cao snippets" » "han quoc code snippets", "han quoc bao snippets", "han quoc cac snippets", "han quoc cho snippets", "phan quoc cao snippets", "nhan quoc cao snippets", "hanh quoc cao 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: (((("han quoc cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han quoc cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( han quoc cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han quoc cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.