Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dai van duc snippets" » "dao van duc snippets", "dai han duc snippets", "dai va duc snippets", "dai van duy snippets", "dai van du snippets", "dai tran duc 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: (((("dai van duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dai van duc snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dai van duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.