Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"than hoc so snippets" » "than hoc code snippets", "toan hoc so snippets", "thai hoc so snippets", "than doc so snippets", "than hoc co snippets", "than hoc su snippets", "than hoc bo snippets"
"python using java snippets" » "python using data snippets"

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

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