Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tung duy thuc snippets" » "luong duy thuc snippets", "quang duy thuc snippets", "vuong duy thuc snippets", "tung day thuc snippets", "tung duy thu snippets", "tung huy thuc snippets"
"locating bug core snippets" » "locating bug code snippets"

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

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