Perhaps you should try some spelling variations:
thuat dieu » thuat dien
nhung cong » dung cong, thong cong, hang cong
hanh dinh » thanh dinh, hinh dinh, hanh tinh
quang van » quang ban, quan van, quang va
quang uan » quang tuan, quang ban, quang tran
tu nhung » tu chung, cua nhung, thi nhung
dinh tu » danh tu, dinh cu, tinh tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat dieu hanh - hanh dinh tu nhung cong ((quang van) or (quang uan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuat dieu hanh - hanh dinh tu nhung cong ((quang van) OR (quang uan)) cau*.