Perhaps you should try some spelling variations:
chinh phat » chinh phan, thinh phat, chinh phu
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thiet anh » thien anh, thuyet anh, thien danh
chinh han » chinh phan, chin han, chinh ban
cong san » cong tac
san tuan » van tuan, san luan, san quan
tuan cu » tuan tu, quan cua, tuan thu

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 anh - hanh ((chinh han) or (chinh phat)) nhung cong san tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet anh - hanh ((chinh han) OR (chinh phat)) nhung cong san tuan cu.
• Adding a wildcard symbol may retrieve word variants: hoc thiet anh - hanh ((chinh han) or (chinh phat)) nhung cong san tuan cu*.