Perhaps you should try some spelling variations:
"locating bugs code slippers" » "locating bug code slippers", "locating bugs code snippets"
"using java java snippets" » "using data java snippets"
"va trang va snippets" » "va trung va snippets", "va thanh va snippets", "va nang va snippets", "va tran van snippets", "va hang 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 snippets\") OR (\"va trang va snippets\"))) OR (\"locating bugs code slippers\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( va trang va snippets ))) OR ( locating bugs code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("va trang va snippets"))) OR ("locating bugs code slippers"))*.