Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cap toan hoc snippets" » "cap toan code snippets", "tap toan hoc snippets", "lap toan hoc snippets", "phap toan hoc snippets", "cap toan khoa snippets", "cap van hoc snippets", "cap hoa hoc 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: (((("cap toan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cap toan hoc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cap toan hoc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cap toan hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.