Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cung cua uoc snippets" » "chung cua uoc snippets", "dung cua uoc snippets", "cong cua uoc snippets", "cung cua nuoc snippets", "cung cua quoc snippets", "cung cua duoc 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: (((("cung cua uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung cua uoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cung cua uoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cung cua uoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.