Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"gian dac cau snippets" » "gian dan cau snippets", "gian cac cau snippets", "giang day cau snippets", "gian dat cau snippets", "gian da cau snippets", "gian bac cau 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: (((("gian dac cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian dac cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian dac cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian dac cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.