Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong dan cac snippets" » "dong dan code snippets", "dong danh cac snippets", "duong dan cac snippets", "dong san cac snippets", "dong dan cach snippets", "dong dang cac snippets", "dong dan ca snippets"
"hang java java snippets" » "hang va java snippets"

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

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