Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung dung he snippets" » "dung dung code snippets", "duong dung he snippets", "ung dung he snippets", "dung ung he snippets", "dung dung cho snippets"
"dang trinh java snippets" » "dang tinh java snippets", "dan trinh java snippets", "dong trinh 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: (((("dang trinh java snippets") or ("dung dung he snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang trinh java snippets") OR ("dung dung he snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( dang trinh java snippets ) or ( dung dung he snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang trinh java snippets") or ("dung dung he snippets"))) or ("locating bug core snippets"))*.