Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » manh cua
doanh cua » doanh luan
hang cong » dang cong, hang nong, bang cong
cong hinh » cong vinh, cong tinh, hong hinh
hinh toan » tinh toan, thanh toan, trinh toan
toan ban » van ban

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 ((tranh cua) OR (doanh cua)) hang cong hinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh ((tranh cua) OR (doanh cua)) hang cong hinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((tranh cua) OR (doanh cua)) hang cong hinh toan ban*.