Perhaps you should try some spelling variations:
"dung quang code snippets" » "dang quang code snippets", "luong quang code snippets", "dung luan code snippets", "dung quang de snippets", "dung quang code slippers"
"hanh cat code snippets" » "hanh cac code snippets", "hanh luat code snippets", "nhanh cay code snippets", "hanh rate code snippets", "hanh cfd code snippets", "hanh cat code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code 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: (((("hanh cat code snippets") or ("dung quang code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hanh cat code snippets") OR ("dung quang code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hanh cat code snippets ) or ( dung quang code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hanh cat code snippets") or ("dung quang code snippets"))) or ("locating bug code snippets"))*.