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