Perhaps you should try some spelling variations:
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, mot chieu
hoc thieu » toc thieu, hoc hien
nung cong » nhung cong, dung cong, nang cong
ho chieu » theo chieu, mot chieu, thi chieu
tung tay » vung tay, dung tay, nung tay
tay nung » xay dung
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((ho chieu) OR (doi chieu))) OR (hoc thieu)) tinh - thanh tung tay nung cong tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((ho chieu) OR (doi chieu))) or (hoc thieu)) tinh - thanh tung tay nung cong tan toan ban~".
• Adding a wildcard symbol may retrieve word variants: ((((ho chieu) OR (doi chieu))) or (hoc thieu)) tinh - thanh tung tay nung cong tan toan ban*.