Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat van cao snippets" » "hat van code snippets", "hoat van cao snippets", "ha van cao snippets", "hai van cao snippets", "hat van dao snippets", "hat van bao snippets", "hat van 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: (((("hat van 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: (((("hat van cao snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat van cao snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat van cao snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.