Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach thoi le snippets" » "cac thoi le snippets", "cach thuc le snippets", "cach noi le snippets", "cach thi le snippets", "cach hoi le snippets", "cach thong le 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: (((("cach thoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cach thoi le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach thoi le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach thoi le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.