Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
tien manh » tien anh, tien thanh, tieng anh
dung cong » dung trong
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoc ((tien manh) or (thien thanh)) - thanh ((tung cua) OR (dung cua)) dung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tien manh) OR (thien thanh)) - thanh ((tung cua) OR (dung cua)) dung cong tan toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((tien manh) or (thien thanh)) - thanh ((tung cua) OR (dung cua)) dung cong tan toan tap*".