Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
hoc lieu » hoc dieu, hoc tieu, ho lieu
hoc sieu » hoc dieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
duong va » duong van, dung va, luong va
dang van » hoang 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 lieu) or (hoc sieu)) tinh - hanh tranh cua dang ((duong va) or (dang van)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc lieu) OR (hoc sieu)) tinh - hanh tranh cua dang ((duong va) OR (dang van)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((hoc lieu) or (hoc sieu)) tinh - hanh tranh cua dang ((duong va) or (dang van)) toan cau*.