Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dao lam duc snippets" » "da lam duc snippets", "dao nam duc snippets", "dat lam duc snippets", "dao lam duoc snippets", "dao pham duc snippets", "dao nam duoc 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: (((("dao lam duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dao lam duc snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao lam duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.