Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong doan » phuong loan, phuong hoang, huong dan
chieu sang » chieu sach, chieu xanh, hieu lang
phuong dan » phuong danh, huong dan, phuong lan
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
ho chieu » theo chieu, hoc thieu, doi chieu
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: ho chieu sang - thanh trung cua nhung ((phuong dan) or (phuong doan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua nhung ((phuong dan) OR (phuong doan)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cua nhung ((phuong dan) or (phuong doan)) toan cau*.