Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong doi cac snippets" » "duong doi code snippets", "duong loi cac snippets", "dung doi cac snippets", "huong doi cac snippets", "duong doi cach snippets", "duong voi cac snippets", "duong do cac 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: (((("duong doi cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong doi cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duong doi cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong doi cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.