Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dong cad trong slippers" » "dong cay trong slippers", "dong ca trong slippers", "dong chat trong slippers", "dong cac trong slippers", "dong cao trong slippers", "dong cap trong slippers", "dong cad trong slippery", "dong cad trong grippers"
"dung java java snippets" » "dung va java 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: (((("dong cad trong slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong cad trong slippers") OR ("dung java java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dong cad trong slippers ) or ( dung java java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong cad trong slippers") or ("dung java java snippets"))) or ("locating bugs code snippets"))*.