Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung java java slippery" » "dung va java slippery", "dung java java slippers"
"phong van thuc snippets" » "phung van thuc snippets", "thong van thuc snippets", "phong va thuc snippets", "phong dan thuc snippets", "phong van thu snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java slippery") or ("phong van thuc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java slippery") OR ("phong van thuc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dung java java slippery ) or ( phong van thuc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java slippery") or ("phong van thuc snippets"))) or ("locating bug core snippets"))*.