Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hanh cat snippets" » "dung hanh code snippets", "dung thanh cat snippets", "dang hanh cat snippets", "dung danh cat snippets", "dung hanh cac snippets", "dung hanh luat snippets", "dung nhanh cay snippets"
"luong java java snippets" » "luong 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: (((("luong java java snippets") or ("dung hanh cat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luong java java snippets") OR ("dung hanh cat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luong java java snippets ) or ( dung hanh cat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong java java snippets") or ("dung hanh cat snippets"))) or ("locating bug core snippets"))*.