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