Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dong van va snippets" » "duong van va snippets", "dang van va snippets", "dong von va snippets", "dong van vat snippets", "dong van van snippets", "dong ban va 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: (((("dong van va snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dong van va snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dong van va snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.