Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc tieu hoa snippets" » "doc tieu code snippets", "duoc tieu hoa snippets", "doc hieu hoa snippets", "hoc tieu hoa snippets", "doc tien hoa snippets", "doc dien hoa snippets", "doc lieu hoc 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: (((("doc tieu hoa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doc tieu hoa snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( doc tieu hoa snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doc tieu hoa snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.