Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac che he snippets" » "cac he he snippets", "cac chien he snippets", "cac chat he snippets", "cac che ho snippets", "cac che hien 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 he 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 he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac che he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac che he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.