Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
chong cong » cong cong, thong cong, cuong cong
cua chong » cua cong, cua chung, cua khong
doc lieu » duoc lieu, doc hieu, so lieu
tinh cua » trinh cua, sinh cua, tinh chat
tap toan » tap doan, tap quan, bai toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc lieu) or (du lieu)) tinh - nhanh tinh cua chong cong ((tan tran) or (tap toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc lieu) OR (du lieu)) tinh - nhanh tinh cua chong cong ((tan tran) OR (tap toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doc lieu) or (du lieu)) tinh - nhanh tinh cua chong cong ((tan tran) or (tap toan)) cau*.