Perhaps you should try some spelling variations:
thanh trung » thanh tung
tien thanh » tien thinh, tran thanh, den thanh
khong song » khong dong, khong mong, khong xuong
hien xanh » hien hanh, hien nhanh, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua khong » hua khong, cua phuong, cua thuong
phong cau » phong cac, phong cai, phong cach
thong cau » thong cac, thong cap, thong tu
song van » hoang van, trong van, duong van

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) or (tien thanh)) - thanh trung cua khong song van ((phong cau) or (thong cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien xanh) OR (tien thanh)) - thanh trung cua khong song van ((phong cau) OR (thong cau)).
• Adding a wildcard symbol may retrieve word variants: hoc ((hien xanh) or (tien thanh)) - thanh trung cua khong song van ((phong cau) or (thong cau))*.