Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
thuat nhung » thuat hung, thuat chung, thuat chuong
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tan toan » tap toan, dan toan, tam toan
van toan » van tuan, van tan, van thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh trinh thuat nhung cong ((((tan toan) or (van toan))) or (tan tran)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh trinh thuat nhung cong ((((tan toan) OR (van toan))) OR (tan tran)) ban.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh trinh thuat nhung cong ((((tan toan) or (van toan))) or (tan tran)) ban*.