Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"danh hoc khi snippets" » "dan hoc khi snippets", "danh hoa khi snippets", "anh hoc khi snippets", "danh hoc khoi snippets", "danh hoc khia snippets", "danh hoc ki snippets", "danh hoc khi slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code 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 code snippets") OR ("danh hoc khi snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( danh hoc khi snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("danh hoc khi snippets"))) or ("locating bug code snippets"))*.