Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thien » hoc hien, hoc thieu, hoc thiet
cua nhung » va nhung
chinh can » chinh ca, chinh cau, chinh ngan
chinh ban » chinh bao, chinh ngan, chinh luan
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac

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 - thanh tung cua nhung cong san ((chinh can) or (chinh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - thanh tung cua nhung cong san ((chinh can) OR (chinh ban))*.