Perhaps you should try some spelling variations:
theo chieu » theo tieu, theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
hanh dung » thanh dung, anh dung, hanh dong
cong cong » cong dong, trong cong, dung cong
ho chieu » hoc thieu, doi chieu, mot chieu
dung cua » dung luan, dung cho
tac toan » tap toan, tam toan, hach toan
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: ((ho chieu) or (theo chieu)) xanh - hanh dung cua ((thong cong) or (cong cong)) tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - hanh dung cua ((thong cong) OR (cong cong)) tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - hanh dung cua ((thong cong) or (cong cong)) tac toan tap*.