Perhaps you should try some spelling variations:
"dan hoi dong snippets" » "dan hoi code snippets", "dan hop dong snippets", "dan hoat dong snippets", "dan ha dong snippets", "dan hoc dong snippets", "dai hoi dong snippets", "dang khoi dong snippets"
"locating bug core snippets" » "locating bug code 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: (((("python using java snippets") or ("dan hoi dong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dan hoi dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan hoi dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan hoi dong snippets"))) or ("locating bug core snippets"))*.