Perhaps you should try some spelling variations:
thanh trung » thanh tung
doanh quang » doan quang, doanh quan, doanh luan
thiet minh » thien minh, thuyet minh, thi minh
cong doanh » cong danh, cong doan, dong doanh
hoc thiet » hoc thieu, hoc thuyet, hoc hien
quang cao » nang cao, quang nam
trung la » trung lap, trung ha, trung va
la trong » lam trong, lap trong, le trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thiet minh - thanh trung la trong cong doanh quang cao~.
• Adding a wildcard symbol may retrieve word variants: hoc thiet minh - thanh trung la trong cong doanh quang cao*.