Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"bua hoang tu snippets" » "quan hoang tu snippets", "tuan hoang tu snippets", "xuan hoang tu snippets", "bua hoang thu snippets", "bua hoang vu snippets", "bua hoang tuan snippets"
"locating bug core snippets" » "locating bug 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 ("bua hoang tu snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( bua hoang tu snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("bua hoang tu snippets"))) or ("locating bug core snippets"))*.