Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung using java snippets" » "dung ung java snippets", "dung sinh java snippets", "dung uong java snippets", "dung using data snippets"
"dong cac toi snippets" » "duong cac toi snippets", "dong bac toi snippets", "dung cac toi snippets", "dong cac thoi snippets"

Try widening your search to All Fields.

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

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