Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong van chu snippets" » "cong van code snippets", "cong vang chu snippets", "cong san chu snippets", "song van chu snippets", "cong van chi snippets", "cong van phu snippets", "cong van cau 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: (((("cong van chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cong van chu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong van chu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong van chu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.