Perhaps you should try some spelling variations:
thanh trung » thanh tung
thuat chung » thuat chuong, thuat hung, thuat nhung
chieu sach » chinh sach, chiet tach, chieu sang
luan chung » luan chinh
hieu manh » chieu xanh, hieu nganh, dieu hanh
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 ((hieu manh) or (chieu sach)) - thanh trung ((luan chung) or (thuat chung)) cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (chieu sach)) - thanh trung ((luan chung) OR (thuat chung)) cong tan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (chieu sach)) - thanh trung ((luan chung) or (thuat chung)) cong tan toan tap*.