Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"anh thi van snippets" » "anh tho van snippets", "dinh thi van snippets", "dang thi van snippets", "anh thi lan snippets", "anh thi hanh snippets", "anh thi nang 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 ("anh thi van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( anh thi van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("anh thi van snippets"))) or ("locating bug core snippets"))*.