Perhaps you should try some spelling variations:
thiet danh » thien danh, thien anh, thien dang
toan thuat » toan thuc, toan thiet, toan thue
thuat hung » thuat dung, thuat ung, thuat xung
hoc thiet » hoc thieu, hoc thuyet, hoc hien
hung cong » nhung cong, hung cuong, phung cong
van thanh » ban thanh, van tuan
ban hang » ngan hang

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 - tinh toan thuat hung cong ((van thanh) or (ban hang)) cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thiet danh - tinh toan thuat hung cong ((van thanh) OR (ban hang)) cap.
• Adding a wildcard symbol may retrieve word variants: hoc thiet danh - tinh toan thuat hung cong ((van thanh) or (ban hang)) cap*.