Perhaps you should try some spelling variations:
"viet truong ham snippets" » "viet trung ham snippets", "vien truong ham snippets", "viet trong ham snippets", "viet truong dai snippets", "viet truong cao snippets", "viet truong dao snippets", "viet truong ham 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: (((("viet truong ham snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet truong ham snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet truong ham snippets ) or ( using raw java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet truong ham snippets") or ("using raw java snippets"))) or ("locating bug code snippets"))*.