Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"danh hanh cac snippets" » "danh hanh code snippets", "danh thanh cac snippets", "dang hanh cac snippets", "dan hanh cac snippets", "danh hang cac snippets", "danh hanh cat snippets", "danh nhanh cay 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: (((("danh hanh 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: (((("danh hanh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( danh hanh cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh hanh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.