Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi khuan co snippets" » "vi khuan co snippets", "thi thuan co snippets", "phi khanh co snippets", "phi khuan cho snippets", "phi chuan co snippets", "phi khuan noi 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: (((("phi khuan 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: (((("phi khuan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi khuan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi khuan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.