Perhaps you should try some spelling variations:
"dinh than one snippets" » "dinh thanh one snippets", "dinh thang one snippets", "dinh thuan one snippets", "dinh than uong snippets", "dinh than o snippets", "dinh when one snippets"
"hang java java snippets" » "hang 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 than one snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dinh than one snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dinh than one snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dinh than one snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.