Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
theo tien » theo tieu, thuc tien, theo tcvn
tien hanh » tien thanh, hien hanh, tien anh
luan dang » luan nang, luan danh, luan dong
dang cong » dung cong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
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: theo tien hanh - ((((anh tang) OR (anh dang))) or (hanh trang)) luan dang cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tien hanh - ((((anh tang) OR (anh dang))) OR (hanh trang)) luan dang cong thanh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tien hanh - ((((anh tang) OR (anh dang))) or (hanh trang)) luan dang cong thanh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo tien hanh - ((((anh tang) OR (anh dang))) or (hanh trang)) luan dang cong thanh toan ban*.