Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac che ke snippets" » "cac he ke snippets", "cac chien ke snippets", "cac chat ke snippets", "cac cho ke snippets", "cac chieu ke 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: (((("cac che ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac che ke snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac che ke snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac che ke snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.