Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
theo chieu » theo tieu, theo chu, thi chieu
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
tinh thuat » tinh thua, tinh chat, tinh thai
nhung cong » dung cong, thong cong, hang cong
ho chieu » hoc thieu, doi chieu, mot chieu
cong tan » cong tac, cong san, cong thanh
than tap » toan tap, phan tap, than cap
han tap » han tai, toan tap, nhan tai

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - nhanh tinh thuat nhung cong tan ((than tap) OR (han tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) tinh - nhanh tinh thuat nhung cong tan ((than tap) or (han tap))~".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) tinh - nhanh tinh thuat nhung cong tan ((than tap) or (han tap))*.