Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac chi danh slippers" » "cac chi dan slippers", "cac chi anh slippers", "cac chi dinh slippers", "ca chi danh slippers", "cac che danh slippers", "cac thi danh slippers", "cac chi danh slippery", "cac chi 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: (((("cac chi 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: (((("cac chi danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac chi danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac chi danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.