Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"gia hang cac snippets" » "gia tang cac snippets", "gia thanh cac snippets", "gian lang cac snippets", "gia hang ca snippets", "gia hang cau snippets", "gia bang cac 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: (((("gia hang cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gia hang cac snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gia hang cac snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gia hang cac snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.