Perhaps you should try some spelling variations:
tien thanh » tien thinh, tran thanh, den thanh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
tien manh » tien anh, tieng anh, tran manh
trinh dan » trinh han, trinh san, trinh da
dan nhung » ban nhung, dap nhung, san nhung
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((tien manh) OR (tien thanh)) - hanh trinh dan nhung cong tan than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((tien manh) OR (tien thanh)) - hanh trinh dan nhung cong tan than cau".
• Adding a wildcard symbol may retrieve word variants: toc ((tien manh) OR (tien thanh)) - hanh trinh dan nhung cong tan than cau*.