Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cao van cua snippets" » "cao van code snippets", "cac van cua snippets", "dao van cua snippets", "cao dang cua snippets", "cao vang cua snippets", "cao ban cua snippets", "cao dan cua snippets"
"python using java snippets" » "python using data snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cao van cua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cao van cua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cao van cua snippets"))) or ("locating bug core snippets"))*.