Perhaps you should try some spelling variations:
phuong thong » phuong trong, thong thong, phuong hoang
cua phuong » cuu phuong, cuc phuong, luan phuong
tieu xanh » tieu danh, chieu xanh, dieu hanh
tranh cua » doanh cua, manh cua
thong van » trong van, thong va, thong quan
thanh tap » thanh lap, thanh tai, thanh tam
thanh tay » thanh tai, thanh toan, thanh thuy

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - canh tranh cua phuong thong van ((thanh tap) OR (thanh tay))~.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - canh tranh cua phuong thong van ((thanh tap) or (thanh tay))*.