Perhaps you should try some spelling variations:
"dung xuan tan snippets" » "duong xuan tan snippets", "dung luan tan snippets", "dung quan tan snippets", "dung xuan toan snippets", "dung xuan can snippets", "dung xuan thanh snippets", "dung xuan tan 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 xuan tan 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 xuan tan snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung xuan tan snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung xuan tan snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.