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