Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat dang » luat dan, luat danh, luat doanh
dang cong » dung cong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan cau » toan cao, toan ban, toan tap
hoc bai » hoc dai, hoc giai
hoc bi » hoc bo, hoc ki, hoc ii

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

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