Perhaps you should try some spelling variations:
"dong doanh thuc snippets" » "dung doanh thuc snippets", "trong doanh thuc snippets", "doanh doanh thuc snippets", "dong doanh thu snippets", "dong danh thuc snippets", "dong doan thuc snippets", "dong doanh thuc slippers"
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("dong doanh thuc snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong doanh thuc snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong doanh thuc snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong doanh thuc snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.