Perhaps you should try some spelling variations:
luan thong » luan phong, luan tuong, luat thong
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, hieu nganh, dieu hanh
tang luan » dung luan
cong bang » cuong bang, dong bang, hong bang
anh tang » anh bang, anh dang, anh nang
toan cau » toan cao, toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu manh) or (chieu sach)) - anh tang luan thong cong bang ((toan cau) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu manh) OR (chieu sach)) - anh tang luan thong cong bang ((toan cau) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: theo ((hieu manh) or (chieu sach)) - anh tang luan thong cong bang ((toan cau) or (than cap))*.