Perhaps you should try some spelling variations:
dang trong » dung trong, dong trong, lang trong
hien xanh » hien hanh, hien nhanh, chieu xanh
trang cua » tranh cua, tang cua, thang cua
trung cua » truong cua, trung tuan, trung cap
trong anh » truong anh, trong nganh, trong doanh
tuan cu » tuan tu, quan cua, tuan thu

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 - hanh ((trang cua) or (trung cua)) dang trong anh tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - hanh ((trang cua) OR (trung cua)) dang trong anh tuan cu.
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((trang cua) or (trung cua)) dang trong anh tuan cu*.