Perhaps you should try some spelling variations:
phuong binh » phuong trinh, phuong anh, chuong trinh
dong phuong » duong phuong, dung phuong, dong huong
hoc thieu » hoc hien
binh phan » binh pham, binh phap, benh phan
cong tac » cong ty
tac dong » tac dung, tac trong, ha dong
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (toc thieu)) tinh - thanh cong tac dong phuong binh phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (toc thieu)) tinh - thanh cong tac dong phuong binh phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (toc thieu)) tinh - thanh cong tac dong phuong binh phan dau*.