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