Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hut dau cach snippets" » "hut dan cach snippets", "hut va cach snippets", "hut cai cach snippets", "hut du cach snippets", "thuat dau cach 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 dau cach 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 dau cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hut dau cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hut dau cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.