Perhaps you should try some spelling variations:
"may trinh van snippets" » "may tinh van snippets", "lap trinh van snippets", "quy trinh van snippets", "may trinh han snippets", "may trinh quan snippets", "may trinh toan snippets", "may trinh 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"may trinh van snippets\") OR (\"using raw java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( may trinh van snippets ) OR ( using raw java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("may trinh van snippets") OR ("using raw java snippets"))) OR ("locating bug code snippets"))*.