Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dong ap dung snippets" » "dong cap dung snippets", "dong au dung snippets", "dong thap dung snippets", "dong xay dung snippets", "dong van dung 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 core snippets") or ("dong ap dung snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java core snippets") OR ("dong ap dung snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dong ap dung snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dong ap dung snippets"))) or ("locating bugs code snippets"))*.