Perhaps you should try some spelling variations:
"hong nhanh cay snippets" » "hong hanh cay snippets", "hon nhanh cay snippets", "phong thanh cay snippets", "hong nhanh ha snippets", "hong nhanh bac snippets", "hong nhanh va snippets"
"dung java java snippets" » "dung 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: (((("dung java java snippets") or ("hong nhanh cay snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("hong nhanh cay snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( hong nhanh cay snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("hong nhanh cay snippets"))) or ("locating bug code snippets"))*.