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