Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac hinh can snippets" » "cac tinh can snippets", "cac dinh can snippets", "cac thanh can snippets", "cac chinh can snippets", "cac minh can snippets", "cac hinh dan snippets"
"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 hinh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hinh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac hinh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac hinh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.