Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dong trinh java snippets" » "cong trinh java snippets", "dong tinh java snippets", "dong tranh java snippets"
"dung dat thi snippets" » "dung va thi snippets", "dung tai thi snippets", "dung dat thoi snippets", "dung dan thi snippets", "dung dao thi 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 trinh java snippets") or ("dung dat thi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong trinh java snippets") OR ("dung dat thi snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dong trinh java snippets ) or ( dung dat thi snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong trinh java snippets") or ("dung dat thi snippets"))) or ("locating bug core snippets"))*.