Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"vi trung ha slippers" » "va trung ha slippers", "viet trung ha slippers", "vien trung ha slippers", "vi trung hoc slippers", "vi trung tam slippers", "vi trung cap slippers", "vi trung ha slippery", "vi trung ha 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("vi trung ha slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( vi trung ha slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("vi trung ha slippers"))) or ("locating bug code snippets"))*.