Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van tuan cu snippets" » "van tuan code snippets", "van quan cu snippets", "van ban cu snippets", "anh tuan cu snippets", "van tuan tu snippets", "van quan cua snippets", "van tuan thu 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 tuan cu 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 tuan cu snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( van tuan cu snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("van tuan cu snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.