Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac co danh slippers" » "dac cao danh slippers", "dac co dan slippers", "dac do danh slippers", "dac cho danh slippers", "cac co danh slippers", "dau co danh slippers", "dac co danh slippery", "dac co danh grippers"
"locating bug code snippets" » "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: (((("python using java snippets") or ("dac co danh slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dac co danh slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dac co danh slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dac co danh slippers"))) or ("locating bug code snippets"))*.