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