Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut dan cau snippets" » "hat dan cau snippets", "hut dau cau snippets", "thuat dan cau snippets", "hut danh cau snippets", "hut dan ca snippets", "hut dat cau 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: (((("hut dan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hut dan cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut dan cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut dan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.