Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"using raw java snippets" » "using real java snippets", "using a java snippets", "using low java snippets", "using raw java slippers"
"vi trung va snippets" » "va trung va snippets", "viet trung va snippets", "vien trung va snippets", "vi truong va snippets", "vi trang va snippets", "vi trung ha snippets", "vi trung va 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 raw java snippets\") OR (\"vi trung va snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( using raw java snippets ) OR ( vi trung va snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using raw java snippets") OR ("vi trung va snippets"))) OR ("locating bugs code snippets"))*.