Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
tuong cua » truong cua, huong cua, thong cua
nhung son » nhung don, nhung con, nhung san
nhung mon » nhung don, khung mon, nhung con
nhanh cau » nhanh cay, thanh chau, nhanh ha
tung cua » trung cua, dung cua, tang cua
la nhanh » ly nhanh, day nhanh, nam nhanh

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 - thanh ((tung cua) OR (tuong cua)) ((nhung son) or (nhung mon)) la nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - thanh ((tung cua) OR (tuong cua)) ((nhung son) OR (nhung mon)) la nhanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - thanh ((tung cua) OR (tuong cua)) ((nhung son) or (nhung mon)) la nhanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - thanh ((tung cua) OR (tuong cua)) ((nhung son) or (nhung mon)) la nhanh cau*.