Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong trinh cac snippets" » "dong trinh code snippets", "cong trinh cac snippets", "dong tinh cac snippets", "dong tranh cac snippets", "dong trinh cau snippets", "dong trinh chat snippets", "dong trinh chao snippets"
"dung java java snippets" » "dung 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 trinh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dong trinh cac snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dong trinh cac snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong trinh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.