Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khi dao do snippets" » "khi dai do snippets", "chi dao do snippets", "thi dao do snippets", "khi dao o snippets", "khi dao ho snippets", "khi dao dong 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 dao do 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 dao do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khi dao do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khi dao do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.