Perhaps you should try some spelling variations:
"van thinh java snippets" » "van trinh java snippets", "van think java snippets", "van thanh java snippets", "van chinh java snippets", "van minh java snippets"
"dung ung co snippets" » "dung trung co snippets", "dung quang co snippets", "dung chung co snippets", "dung dung co snippets", "dung dung cho snippets", "dung duong co snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("dung ung co snippets") or ("van thinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung ung co snippets") OR ("van thinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung ung co snippets ) or ( van thinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung ung co snippets") or ("van thinh java snippets"))) or ("locating bug code snippets"))*.