Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tranh chap ba snippets" » "tranh cua ba snippets", "trinh chat ba snippets", "tranh thap ba snippets", "tranh chat ban snippets", "tranh chap dat 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 ("tranh chap ba snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tranh chap ba snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tranh chap ba snippets"))) or ("locating bug core snippets"))*.