Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoan cua snippets" » "tran hoan code snippets", "tran hoang cua snippets", "tuan hoan cua snippets", "tran doan cua snippets", "tran hoa cua snippets", "tran toan cua snippets", "tran han cua snippets"
"dung java java snippets" » "dung va java 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: (((("tran hoan cua snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran hoan cua snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( tran hoan cua snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran hoan cua snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.