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