Perhaps you should try some spelling variations:
trinh quan » tinh quang, trinh luat, trinh han
nhung cong » dung cong, thong cong, hang cong
tinh quan » tinh quang, tin quan, sinh quan
bien quan » bien quang, lien quan, vien quan
hien anh » hien hanh, thien anh, dien anh
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien anh - hanh ((((tinh quan) or (trinh quan))) or (bien quan)) nhung cong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien anh - hanh ((((tinh quan) OR (trinh quan))) OR (bien quan)) nhung cong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien anh - hanh ((((tinh quan) or (trinh quan))) or (bien quan)) nhung cong tan toan cau*.