Perhaps you should try some spelling variations:
"vi trinh code snippets" » "vi trinh cong snippets", "vi trinh co snippets", "vi trinh cad snippets", "vi tinh code snippets", "va trinh code snippets", "viet trinh code snippets", "vi trinh code slippers"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets", "using sat java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: "((((\"vi trinh code snippets\") OR (\"using sat java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( vi trinh code snippets ) OR ( using sat java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi trinh code snippets") OR ("using sat java snippets"))) OR ("locating bug code snippets"))*.