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