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