Perhaps you should try some spelling variations:
"hoai phong van snippets" » "hoai phuong van snippets", "hai phong van snippets", "hoai thuong van snippets", "hoai phung van snippets", "hoai thong van snippets", "hoai phong va snippets", "hoai phong van slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw 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: (((("using raw java snippets") or ("hoai phong van snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using raw java snippets") OR ("hoai phong van snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using raw java snippets ) or ( hoai phong van snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") or ("hoai phong van snippets"))) or ("locating bug code snippets"))*.