Perhaps you should try some spelling variations:
"dung phan ham snippets" » "dung nhan ham snippets", "dung luan ham snippets", "dung ha ham snippets", "dung phan ha snippets", "dung phan cam snippets", "dung phan hai snippets", "dung phan ham 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: (((("dung phan ham snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung phan ham snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung phan ham snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung phan ham snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.