Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dong nhat va slippers" » "dang nhat va slippers", "cong nhat va slippers", "dung nhat va slippers", "dong nhan va slippers", "dong chat va slippers", "dong nhat ve slippers", "dong nhat va slippery", "dong nhat va 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: (((("dong nhat va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong nhat va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong nhat va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong nhat va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.