Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
canh doanh » hanh doanh, chinh doanh, doanh doanh
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
cua nhung » va nhung
trinh do » trinh ky
do hai » do thai, doc hai, do dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thien hach - canh doanh cua nhung cong trinh do hai~.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - canh doanh cua nhung cong trinh do hai*.