Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
doan thien » hoan thien, doan thi, toan thiet
xanh hanh » danh thanh, ban hanh, van hanh
cong tinh » cong trinh, cong vinh, long tinh
va tuong » va thuong, xa truong, va phuong
va thong » va thuong, va phuong, he thong
toan tap » toan ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doan thien thanh - xanh hanh ((va tuong) or (va thong)) cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doan thien thanh - xanh hanh ((va tuong) OR (va thong)) cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: doan thien thanh - xanh hanh ((va tuong) or (va thong)) cong tinh toan tap*.