Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuu sinh can snippets" » "cuu tinh can snippets", "cua sinh can snippets", "cho sinh can snippets", "cuu sinh san snippets", "cuu sinh cau snippets", "cuu minh can 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: (((("cuu sinh 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: (((("cuu sinh can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuu sinh can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuu sinh can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.