Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"giang ve cau snippets" » "gian ve cau snippets", "giang le cau snippets", "giang vo cau snippets", "giang ke cau snippets", "giang va cau snippets", "giang ve 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: (((("giang ve 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: (((("giang ve cau snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giang ve cau snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giang ve cau snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.