Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"choi te cong snippets" » "choi tre cong snippets", "choi tu cong snippets", "choi hee cong snippets", "choi tai cong snippets", "choi thi cong snippets", "choi thu cong 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: (((("choi te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("choi te cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( choi te cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("choi te cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.