Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khung hoc so snippets" » "khung hoc code snippets", "chung hoc so snippets", "nhung hoc so snippets", "thuong hoc so snippets", "khung hoc co snippets", "khung hoc su snippets", "khung hoc bo snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("khung hoc so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khung hoc so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( khung hoc so snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khung hoc so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.