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