Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha nhe cac snippets" » "pha nhe code snippets", "pha che cac snippets", "pham nghe cac snippets", "pham nho cac snippets", "pha he cac snippets", "pha nghe cao snippets", "pha nghe cnc 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: (((("pha nhe 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: (((("pha nhe cac snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( pha nhe cac snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("pha nhe cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.