Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac tan cher snippets" » "cac han che snippets", "cac ban cheo snippets", "cac yan chen snippets", "cac dan cher snippets", "cac van cher snippets", "cac ban cher 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 tan cher 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 tan cher snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac tan cher snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac tan cher snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.