Perhaps you should try some spelling variations:
thien hach » thien thanh, hien hanh
nhung cong » dung cong, thong cong, hang cong
thanh chau » thanh cha, thanh cham, thanh chu
hoc thien » hoc hien, hoc thieu, hoc thiet
doanh cua » doanh luan
van thanh » ban thanh, van tuan
cong van » cong vang, cong san, song van

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 - hanh ((((doanh tai) or (doanh cua))) or (doan va)) nhung cong van thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thien hach - hanh ((((doanh tai) OR (doanh cua))) OR (doan va)) nhung cong van thanh chau.
• Adding a wildcard symbol may retrieve word variants: hoc thien hach - hanh ((((doanh tai) or (doanh cua))) or (doan va)) nhung cong van thanh chau*.