Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"doi trong code snippets" » "doi trong cong snippets", "doi trong co snippets", "doi trong che snippets", "doi tuong code snippets", "dot trong code snippets", "dong trong code snippets", "doi trong code slippers"
"using a java snippets" » "using _ java snippets", "using a java 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 a java snippets\") OR (\"doi trong code snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using a java snippets ) OR ( doi trong code snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") OR ("doi trong code snippets"))) OR ("locating bugs code snippets"))*.