Perhaps you should try some spelling variations:
"hai luong code snippets" » "hai luong cong snippets", "hai luong che snippets", "hai duong code snippets", "hai long code snippets", "dai luong code snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"
"locating bug core snippets" » "locating bug code snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("hai luong code snippets") OR ("using sat java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"hai luong code snippets\") OR (\"using sat java snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( hai luong code snippets ) OR ( using sat java snippets ))) OR ( locating bug core snippets ))*.