Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van dinh cao snippets" » "van dinh code snippets", "van minh cao snippets", "van dich cao snippets", "va dinh cao snippets", "van tinh cao snippets", "van dinh cac snippets", "van dinh dao 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: (((("van dinh 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: (((("van dinh cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van dinh cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van dinh cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.