Perhaps you should try some spelling variations:
tinh khong » tinh khang, tinh huong, benh khong
tinh thong » tinh thuong, trinh thong, dinh thong
kiem soat » kiem toan
kien soat » bien soan, kien hoa, dien hoat
tin quan » tinh quang, trinh quan, lien quan
luan va » luan van, luat va
va kiem » van kien
quan va » quan vi, quan ha, quan ve
va kien » van kien, va lien, va dien

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin quan luan va kiem soat ) or ( ((tinh thong) or (tinh khong)) quan va kien soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin quan luan va kiem soat ) OR ( ((tinh thong) OR (tinh khong)) quan va kien soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin quan luan va kiem soat ) or ( ((tinh thong) or (tinh khong)) quan va kien soat ))*.