Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat cua chat snippets" » "hat cua code snippets", "hat cua cha snippets", "hat cuu chat snippets", "hat chuan chat snippets", "nhat cua chat snippets", "chat cua chat snippets", "phat cua chat 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 cua chat 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 cua chat snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat cua chat snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat cua chat snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.