Perhaps you should try some spelling variations:
trinh phuong » trinh duong, trinh dung, trinh cong
phuong lan » phuong la, thuong lan, phuong linh
dang dung » dan dung, dang hung, dang quang
phan kiem » phan kien, phan mem, van kiem
kiem soat » kiem toan
lan phan » luan phan, van phan, dan phan
ki dang » ki nang, ky dang, kien dang
va lien » vat lieu, hai lien
lien so » lien son, bien so, lieu so

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( ki dang dung va lien so ) or ( trinh phuong lan phan kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ki dang dung va lien so ) OR ( trinh phuong lan phan kiem soat ))*.