Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van toan ca snippets" » "van toan code snippets", "van tuan ca snippets", "van tan ca snippets", "van thanh ca snippets", "van toan cao snippets", "van toan cau snippets", "van toan cua 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 toan ca 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 toan ca snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van toan ca snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van toan ca snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.