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