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 a java snippets" » "using _ java snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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

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