Perhaps you should try some spelling variations:
"locating bbug code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"va duong de snippets" » "van duong de snippets", "va tuong de snippets", "va huong de snippets", "va dung de snippets", "va duong ve snippets", "va duong di snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("va duong de snippets") or ("using java java snippets"))) or ("locating bbug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va duong de snippets") OR ("using java java snippets"))) OR ("locating bbug code snippets")).
• Removing quotes may allow a broader search: (((( va duong de snippets ) or ( using java java snippets ))) or ( locating bbug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va duong de snippets") or ("using java java snippets"))) or ("locating bbug code snippets"))*.