Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"tang dat duoc snippets" » "tang dan duoc snippets", "mang dat duoc snippets", "tan dat duoc snippets", "tang dat nuoc snippets", "tang da duoc snippets", "tang luat duoc snippets", "tang dat duoc slippers"
"locating bug code snippets" » "locating bug core 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: "((((\"using java code snippets\") OR (\"tang dat duoc snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( tang dat duoc snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("tang dat duoc snippets"))) OR ("locating bug code snippets"))*.