Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
trong dang » truong dang, trong dan, trong dong
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
toan cau » toan cao, toan ban, toan tap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - canh manh cua nhung ((trong van) OR (trong dang)) toan cau~.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - canh manh cua nhung ((trong van) or (trong dang)) toan cau*.