Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phu vu cach snippets" » "phu vu code snippets", "phu va cach snippets", "phu ve cach snippets", "phu vu bach snippets", "phuc vu cach snippets", "phu nu cach snippets", "khu vu cach 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 cach 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 cach snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phu vu cach snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phu vu cach snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.