Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"jun cong co snippets" » "jun yong co snippets", "dung cong co snippets", "luan cong co snippets", "jun dong co snippets", "jun cong cu snippets", "jun cong so 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: (((("python using java snippets") or ("jun cong co snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("jun cong co snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( jun cong co snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("jun cong co snippets"))) or ("locating bug code snippets"))*.