Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi di chi snippets" » "khoi ki chi snippets", "khoi de chi snippets", "thoi dai chi snippets", "khoi dia chi snippets", "khoi doi chi snippets", "khoi du chi 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: (((("khoi di chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi di chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi di chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi di chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.