Perhaps you should try some spelling variations:
thiet tach » chiet tach, thien hach
thuat tach » thuat sach, thuat mach, thuat tac
ngan nhung » ngan hang, gian nhung, ban nhung
nam nhung » cam nhung, tham nhung, va nhung
cong san » cong tac
san tan » van tan, san van, san tay
tan ban » toan ban, tang ban, van 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 chinh ((ngan nhung) or (nam nhung)) cong san tan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((thiet tach) OR (thuat tach)) - hanh chinh ((ngan nhung) OR (nam nhung)) cong san tan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((thiet tach) OR (thuat tach)) - hanh chinh ((ngan nhung) or (nam nhung)) cong san tan ban".
• Adding a wildcard symbol may retrieve word variants: ho ((thiet tach) OR (thuat tach)) - hanh chinh ((ngan nhung) or (nam nhung)) cong san tan ban*.