Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat phan cac snippets" » "hat phan code snippets", "hat nhan cac snippets", "sat phan cac snippets", "vat phan cac snippets", "hat nhan cach snippets", "hat phan dau snippets", "hat phan lap 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: (((("hat phan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat phan cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat phan cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat phan cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.