Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhan con son snippets" » "nhan con code snippets", "nhan co son snippets", "nhanh cong son snippets", "phan cong son snippets", "nhan con song snippets", "nhan con so snippets", "nhan dong son 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: (((("nhan con son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhan con son snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( nhan con son snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan con son snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.