Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
nhung cong » dung cong, thong cong, hang cong
hoc thiet » hoc thieu, hoc thuyet, hoc hien
thang cua » hang cua, than cua, tang cua
thong cua » thong quan, thong tu, huong cua
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan tap » toan ban

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 danh - nhanh ((thang cua) or (thong cua)) nhung cong san toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - nhanh ((thang cua) OR (thong cua)) nhung cong san toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - nhanh ((thang cua) or (thong cua)) nhung cong san toan tap*.