Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"luong duoc cac snippets" » "luong duoc code snippets", "luong cuoc cac snippets", "luong duc cac snippets", "luong nuoc cac snippets", "luong cuoc cach snippets", "luong duoc chat snippets", "luong duong 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: (((("luong duoc 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: (((("luong duoc cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( luong duoc cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luong duoc cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.