Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi noi ve snippets" » "khoi noi ve snippets", "khi doi ve snippets", "khi hoi ve snippets", "khi moi ve snippets", "khi noi va 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: (((("khi noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khi noi ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi noi ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi noi ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.