Perhaps you should try some spelling variations:
"da nang van snippets" » "da dang van snippets", "da tang van snippets", "da lang van snippets", "cam nang van snippets", "cao nang van snippets", "kha nang van snippets", "da nang van slippers"
"using low java snippets" » "using low java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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