Perhaps you should try some spelling variations:
hien xanh » hien hanh, hien nhanh, chieu xanh
dang cong » dung cong
tran manh » tran minh, tran thanh, tran van
tang cua » hang cua, tang luan, thong cua
mang cua » manh cua, dung cua, ban cua
cong san » cong tac
san tran » tan tran, ban tran, dang tran

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 ((tang cua) OR (mang cua)) dang cong san tran manh~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh ((tang cua) OR (mang cua)) dang cong san tran manh".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh ((tang cua) OR (mang cua)) dang cong san tran manh*.