Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tieu sang » chieu sang, tieu dung, tiem nang
hanh mang » nhanh mang, hanh trang, nhanh lang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
mang va » mang vua, hang va, bang va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - hanh mang va nhung cong tac toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu sang - hanh mang va nhung cong tac toan cau*.