Perhaps you should try some spelling variations:
"hoc voi chon snippets" » "hoc voi code snippets", "hoc voi con snippets", "hoc voi phong snippets", "hoc voi chien snippets", "hoc vi chon snippets", "hoc vo chon snippets", "hoc noi chon 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 ("hoc voi chon snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc voi chon snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoc voi chon snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc voi chon snippets"))) or ("locating bug core snippets"))*.