Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cong tiet va slippers" » "cong viet va slippers", "luong tiet va slippers", "cong viec va slippers", "cong tien va slippers", "cong tiet may slippers", "cong viet van slippers", "cong tiet va slippery", "cong tiet 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: (((("cong tiet 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: (((("cong tiet va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cong tiet va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cong tiet va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.