Perhaps you should try some spelling variations:
thanh trung » thanh tung
thanh thang » nhanh thang, thanh hang, thanh toan
thanh thanh » nhanh thanh, thanh toan, thanh phan
hien hanh » dieu hanh
thong van » trong van, thong va, thong quan
va thong » va thuong, va phuong, he thong
van tan » van tuan, van ban, van tai
tan cao » toan cao, tao cao, tay cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien hanh - ((thanh trung) or (((thanh thang) OR (thanh thanh)))) va thong thong van tan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien hanh - ((thanh trung) OR (((thanh thang) OR (thanh thanh)))) va thong thong van tan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien hanh - ((thanh trung) or (((thanh thang) OR (thanh thanh)))) va thong thong van tan cao*".