Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using java code snippets" » "using data code snippets", "using java code slippers"
"mong duc dan snippets" » "hong duc dan snippets", "cong duc dan snippets", "mong du dan snippets", "mong duoc dan snippets", "mong duc tan snippets", "mong duc dai snippets", "mong duc dan slippers"

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 (\"mong duc dan snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java code snippets ) OR ( mong duc dan snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") OR ("mong duc dan snippets"))) OR ("locating bugs code snippets"))*.