Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
nhanh sinh » nhan sinh, nhanh tinh, nhanh binh
cua truong » cua trung, xuan truong, cac truong
phuong dan » phuong danh, phuong doan, huong dan
doi chieu » doc hieu, ho chieu, mot chieu
sinh cua » manh cua, dinh cuu, sinh va
dan toan » van toan, dan than, manh toan
toan tap » toan ban
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (doi chi)) tinh - nhanh sinh cua truong phuong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (doi chi)) tinh - nhanh sinh cua truong phuong dan toan tap*.