Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
chieu xanh » chieu sach, chieu sang, chieu tinh
nhu phuong » thu phuong, nhung phuong, thi phuong
hoc chieu » hoc thieu, ho chieu, hoc hien
truong va » truong dai, truong cao, truong dao
doan than » dan than, doan tuan, doan phan
trung va » trang va, trung ha, trung tam
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu xanh - hanh ((trung va) or (truong va)) nhu phuong doan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu xanh - hanh ((trung va) OR (truong va)) nhu phuong doan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - hanh ((trung va) or (truong va)) nhu phuong doan than cau*.