Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"duoc cac cau snippets" » "cuoc cach cau snippets", "duoc chat cau snippets", "duong cac cau snippets", "duoc cac mau snippets", "duoc bac cau snippets", "duoc ca 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: (((("duoc cac 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: (((("duoc cac cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duoc cac cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duoc cac cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.