Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"do can viet snippets" » "do san viet snippets", "do can biet snippets", "do ca viet snippets", "do canh viet snippets", "do van viet snippets", "do cao viet 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: (((("do can viet snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( do can viet snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do can viet snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.