Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
trinh thuat » trinh luat, trinh thiet, trinh thuc
canh trinh » canh tranh, hanh trinh, canh tinh
nhung cong » dung cong, thong cong, hang cong
mot chieu » doi chieu
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan phan » toan phan, than phan, van phan

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 (mot chieu)) xanh - canh trinh thuat nhung cong tan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (mot chieu)) xanh - canh trinh thuat nhung cong tan phan tu.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (mot chieu)) xanh - canh trinh thuat nhung cong tan phan tu*.