Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phut vu cao snippets" » "phuc vu cao snippets", "phu vu cao snippets", "phut tu cao snippets", "phut cu cao snippets", "phut va cao 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: (((("phut vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phut vu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phut vu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phut vu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.