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