Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thong xa can snippets" » "thong xay can snippets", "thong va can snippets", "thong ha can snippets", "thong xa cao snippets", "thong xa ban snippets", "thong xa tan 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: (((("thong xa can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thong xa can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thong xa can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thong xa can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.