Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
nhanh tang » nhanh thang, nhanh lang, nhanh mang
dan phuong » doan phuong, van phuong, lan phuong
cong luan » tong luan, cong tuan, dong luan
luan toan » luan hoan, xuan toan, luan thanh
tang dan » tang van, tung dan, tang luan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc thieu) or (mot chieu)) tinh - nhanh tang dan phuong cong luan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (mot chieu)) tinh - nhanh tang dan phuong cong luan toan tap.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (mot chieu)) tinh - nhanh tang dan phuong cong luan toan tap*.