Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho vu cho snippets" » "kho mu cho snippets", "kho tu cho snippets", "khong vu cho snippets", "kho vu cao snippets", "kho cu cho snippets", "kho uu cho 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 vu cho 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 vu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho vu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho vu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.