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