Perhaps you should try some spelling variations:
nghiem quoc » nghiem duoc, nghiem nuoc, nghiep quoc
dieu khanh » dieu hanh, dien khanh, dieu khac
khanh trac » khanh trach, khanh tra, thanh tra
trai nghia » trai nghiem, tuan nghia, giai nghia
nghia cuoc » nghi cuoc, nghia duoc, nghia quoc
ha thanh » pham thanh, phan thanh, thi thanh
va thanh » gia thanh, ban thanh, va tinh
cuoc hoc » duoc hoc, buoc hoc, quoc hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( dieu khanh trac nghiem quoc hoi ) or ( ((ha thanh) OR (va thanh)) trai nghia cuoc hoc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( dieu khanh trac nghiem quoc hoi ) OR ( ((ha thanh) OR (va thanh)) trai nghia cuoc hoc )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( dieu khanh trac nghiem quoc hoi ) or ( ((ha thanh) OR (va thanh)) trai nghia cuoc hoc ))".
• Adding a wildcard symbol may retrieve word variants: (( dieu khanh trac nghiem quoc hoi ) or ( ((ha thanh) OR (va thanh)) trai nghia cuoc hoc ))*.