Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hao dan cap snippets" » "hao dan code snippets", "dao dan cap snippets", "hao van cap snippets", "hat dan cap snippets", "hao doan cap snippets", "hao dan ca snippets", "hao dan 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: (((("hao dan cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao dan cap snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hao dan cap snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao dan cap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.