Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
phan dang » phan dau, phan cong, nhan dan
phap tang » phap nang, phap tieng
luan dong » luan cong, quan dong, luan nong
dong cong » duong cong, dung cong, dang cong
chi xanh » chi anh, chi danh, chi hanh
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - ((phan dang) or (phap tang)) luan dong cong thanh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - ((phan dang) OR (phap tang)) luan dong cong thanh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - ((phan dang) or (phap tang)) luan dong cong thanh toan tap*.