Perhaps you should try some spelling variations:
"using sat khach snippets" » "using data khach snippets", "using a khach snippets", "using raw khach snippets", "using dat khach snippets", "using vay khach snippets", "using dat khanh snippets", "using sat khach 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: (((("using sat khach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using sat khach snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using sat khach snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using sat khach snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.