Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong dinh cac snippets" » "cong dinh code snippets", "cong vinh cac snippets", "cong tinh cac snippets", "cong danh cac snippets", "cong tinh cach snippets", "cong dinh chuc snippets", "cong dinh chau 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: (((("cong dinh 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: (((("cong dinh cac snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cong dinh cac snippets ) or ( dung java java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong dinh cac snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))*.