Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"juan thi hai snippets" » "luan thi hai snippets", "juan zhi hai snippets", "xuan thai hai snippets", "juan thi mai snippets", "juan thi hanh snippets", "juan thi hai slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("juan thi hai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("juan thi hai snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( juan thi hai snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("juan thi hai snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.