Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van anh coc snippets" » "van anh code snippets", "van thanh coc snippets", "van minh coc snippets", "tuan anh coc snippets", "van anh hoc snippets", "van anh co snippets", "van anh doc 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: (((("van anh coc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van anh coc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van anh coc snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van anh coc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.