Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cao lan phe snippets" » "cao van phe snippets", "cao dang phe snippets", "cao tang phe snippets", "cao lap phe snippets", "cao lang phu snippets", "cao lang phi 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: (((("cao lan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cao lan phe snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cao lan phe snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cao lan phe snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.