Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
hanh dinh » thanh dinh, hinh dinh, hanh tinh
cua nhung » va nhung
vang tuan » vong tuan, quang tuan, hoang tuan
dinh cua » dinh cuu, sinh cua, dinh cu
van tuan » van quan, van ban, anh tuan

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 dinh cua nhung cong ((vang tuan) OR (van tuan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh dinh cua nhung cong ((vang tuan) OR (van tuan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh dinh cua nhung cong ((vang tuan) OR (van tuan)) cao*.