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