Perhaps you should try some spelling variations:
trung phuong » truong phuong, rung phuong, thuong phuong
hanh tranh » canh tranh, hanh trinh, hanh trang
phuong van » phung van, phong van, phuong lan
thanh chau » thanh cha, thanh cham, thanh chu
hoc chieu » hoc thieu, ho chieu, hoc dieu
tranh cua » doanh cua, manh cua
cua trung » cua truong, xuan trung, cua nhung
thanh cau » thanh mau, nhanh cau, thanh ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (hoc hien)) xanh - hanh tranh cua trung phuong van ((thanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (hoc hien)) xanh - hanh tranh cua trung phuong van ((thanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chieu) or (hoc hien)) xanh - hanh tranh cua trung phuong van ((thanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (hoc hien)) xanh - hanh tranh cua trung phuong van ((thanh cau) OR (thanh chau))*.