Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat nhung » luat chung, luat thuong, thuat nhung
nhung cong » dung cong, thong cong, hang cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan tap » toan ban
doi va » hoi va, noi va
dai va » mai va

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi va) OR (dai va)) tinh - hanh trinh luat nhung cong tan toan tap~".
• Adding a wildcard symbol may retrieve word variants: ((doi va) OR (dai va)) tinh - hanh trinh luat nhung cong tan toan tap*.