Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tran do danh slippers" » "trang do danh slippers", "toan do danh slippers", "tuan do danh slippers", "tran do dinh slippers", "tran do sanh slippers", "tran dia danh slippers", "tran do danh slippery", "tran do 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: (((("tran do danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran do danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran do danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran do danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.