Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"minh ky do snippets" » "kinh ky do snippets", "minh ly do snippets", "trinh ky do snippets", "minh ky doi snippets", "minh ke do 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: (((("minh ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("minh ky do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( minh ky do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("minh ky do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.