Perhaps you should try some spelling variations:
trinh thuat » trinh luat, trinh thiet, trinh thuc
kiem soat » kiem toan
thuat san » thuat toan, thuat song, thuat lanh
dung dat » dung va, dung tai
van kiem » va kiem, van kien, van hieu
san doan » san doanh, tan doan, van doan
doan tin » doan tinh, toan tin, doan thien
dat van » dao van, dat va, dam van
tin so » tinh son

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung dat van kiem soat ) or ( trinh thuat san doan tin so ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung dat van kiem soat ) OR ( trinh thuat san doan tin so )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung dat van kiem soat ) or ( trinh thuat san doan tin so ))*.