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