Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi dai can snippets" » "thi dai can snippets", "khi bai can snippets", "thoi dai can snippets", "khi dai han snippets", "khi dai lan snippets", "khi dai tan 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 dai 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 dai can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi dai can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi dai can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.