Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java slippers" » "using data java slippers", "using java java slippery", "using java java grippers"
"vi luong va snippets" » "dai luong va snippets", "van luong va snippets", "hai luong va snippets", "vi dung va 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 java slippers\") OR (\"vi luong va snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java slippers ) OR ( vi luong va snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java slippers") OR ("vi luong va snippets"))) OR ("locating bugs code snippets"))*.