Perhaps you should try some spelling variations:
hoat cuong » hoat dong, hoa cong, doan cuong
cuong cong » cong cong, luong cong, duong cong
theo phap » thi phap
phap tinh » phap sinh, phap tieng, phap tang
tien hoat » trien hoat, thien hoat, tien hoa
tap quan » tac quan, hai quan
toan » tran

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo phap tinh - toan tien hoat cuong cong ((tap doan) or (tap quan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo phap tinh - toan tien hoat cuong cong ((tap doan) OR (tap quan)) cau*.