Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may nhat co snippets" » "hay nhat co snippets", "may phat co snippets", "may nha co snippets", "may nhat cho snippets", "may nhat so snippets", "may chat co 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: (((("may nhat 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: (((("may nhat co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may nhat co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may nhat co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.