Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach
thuat tach » thuat sach, thuat mach, thuat tac
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan thong » nhan trong, nha thong, nhan khong
thong cong » trong cong, tong cong, thong thong
cong van » cong vang, cong san, song van
van tuan » van quan, van ban, anh tuan
tuan ban » tuan bang, toan ban, luan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((thiet tach) or (thuat tach)) - hanh doanh nhan thong cong van tuan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thiet tach) OR (thuat tach)) - hanh doanh nhan thong cong van tuan ban.
• Adding a wildcard symbol may retrieve word variants: ho ((thiet tach) or (thuat tach)) - hanh doanh nhan thong cong van tuan ban*.