Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cua sinh che snippets" » "cho sinh che snippets", "hoa sinh che snippets", "va sinh che snippets", "cua dinh che snippets", "cua chinh che snippets", "cua dinh chi 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: (((("cua sinh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua sinh che snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cua sinh che snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua sinh che snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.