Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
cong dang » cong dong, cong dan, cong dung
dang thai » dang thi, dang hai, dang khai
trinh vi » trinh va, trinh viet, trinh van
trinh ve » trinh he, trinh va, trinh viet
thai cao » tai cao, thoai cac, thuat cao

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 - canh ((trinh vi) or (trinh ve)) nhung cong dang thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien xanh - canh ((trinh vi) OR (trinh ve)) nhung cong dang thai cao*.