Perhaps you should try some spelling variations:
quang phan » quang phat, quang thanh, quang khanh
quang chan » quang thanh, quang khanh, quang khang
hieu soat » hieu suat, hieu hoat, hieu luat
minh tuan » anh tuan
tuan quan » toan quan, quan quan, tran quang
kiem soat » kiem toan
quan ha » quan he
ha kiem » hoa kiem, va kiem, phan kiem
tin » tinh

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 ((quang phan) or (quang chan)) hieu soat ) or ( minh tuan quan ha kiem soat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung ((quang phan) OR (quang chan)) hieu soat ) OR ( minh tuan quan ha kiem soat )).
• Adding a wildcard symbol may retrieve word variants: (( tin dung ((quang phan) or (quang chan)) hieu soat ) or ( minh tuan quan ha kiem soat ))*.