Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"do chinh le snippets" » "hoc chinh le snippets", "dia chinh le snippets", "mo hinh le snippets", "do thinh le snippets", "do chinh ke snippets", "do chinh la 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: (((("do chinh 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: (((("do chinh le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( do chinh le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("do chinh le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.