Perhaps you should try some spelling variations:
thien thanh » tien thanh, thi thanh, hien hanh
thien dang » thien bang, thien danh, thien nang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoang van » hang va
dang van » hang va
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 ((thien dang) or (thien thanh)) - hanh tranh cua nhung ((dang van) or (hoang van)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien dang) OR (thien thanh)) - hanh tranh cua nhung ((dang van) OR (hoang van)) toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien dang) or (thien thanh)) - hanh tranh cua nhung ((dang van) or (hoang van)) toan cau*.