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