Perhaps you should try some spelling variations:
"using tao danh snippets" » "using two danh snippets", "sang tao danh snippets", "using a danh snippets", "using cao danh snippets", "using tac danh snippets", "using tao anh snippets", "using tao danh 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: (((("using tao danh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using tao danh snippets") OR ("hang java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using tao danh snippets ) or ( hang java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using tao danh snippets") or ("hang java java snippets"))) or ("locating bug code snippets"))*.