Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hat dan hoi snippets" » "hat dan code snippets", "hat van hoi snippets", "mat dan hoi snippets", "nhat danh hoi snippets", "hat dan hoc snippets", "hat dai hoi snippets", "hat dang khoi 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 dan hoi 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 dan hoi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( hat dan hoi snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat dan hoi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.