Perhaps you should try some spelling variations:
"dinh chau cua snippets" » "minh chau cua snippets", "tinh chat cua snippets", "dinh chi cua snippets", "dinh chat cua snippets", "dinh cau cua snippets", "dinh chu cua snippets"
"dung java java snippets" » "dung va java 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: (((("dinh chau cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh chau cua snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh chau cua snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh chau cua snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.