Perhaps you should try some spelling variations:
"anh tranh hang snippets" » "anh trinh han snippets", "anh tran hoang snippets", "canh tranh hang snippets", "lanh tranh hang snippets", "anh thanh hang snippets", "anh tranh hang slippers"
"dung java java snippets" » "dung va java snippets", "dung 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 java java snippets") or ("anh tranh hang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("anh tranh hang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( anh tranh hang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("anh tranh hang snippets"))) or ("locating bug code snippets"))*.