Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi doi can snippets" » "khi dai can snippets", "khi hoi can snippets", "khi moi can snippets", "khi doi canh snippets", "khi doi ban snippets", "khi voi can 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 doi can 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 doi can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi doi can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi doi can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.