Perhaps you should try some spelling variations:
thuong thuat » thuong thuyet, thuong thuc, trong thuat
dinh thuong » dinh huong, dinh duong, dinh cuong
quang luat » quan luan, quang cua, quang tuan
kiem soat » kiem toan
thuat va » thuyet va, thuat xay, thuat bai
luat va » xuat va, luat ve, suat va
va kiem » van kien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( dinh thuong thuat va ((hieu luat) or (hieu qua)) ) or ( tinh quang luat va kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( dinh thuong thuat va ((hieu luat) OR (hieu qua)) ) OR ( tinh quang luat va kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( dinh thuong thuat va ((hieu luat) or (hieu qua)) ) or ( tinh quang luat va kiem soat ))*.