Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"thai san van snippets" » "tai san van snippets", "thai son van snippets", "thai van van snippets", "thai tan van snippets", "thai luan van snippets", "thai tran van snippets", "thai san van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 (\"thai san van snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java java snippets ) OR ( thai san van snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") OR ("thai san van snippets"))) OR ("locating bug code snippets"))*.