Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh huong, thanh cuong
theo chieu » theo tieu, theo chu, thi chieu
thanh tung » thanh cong
thong cong » trong cong, tong cong, thong thong
ho chieu » hoc thieu, doi chieu, mot chieu
va thong » va thuong, va phuong, he thong
cong tac » cong ty
tac nhan » tao nhan, cac nhan, dac nhan
nhan cao » nha cao, nhan tao, nhan co

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chieu)) sang - ((thanh tuong) OR (thanh tung)) va thong cong tac nhan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) sang - ((thanh tuong) OR (thanh tung)) va thong cong tac nhan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) sang - ((thanh tuong) OR (thanh tung)) va thong cong tac nhan cao".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) sang - ((thanh tuong) OR (thanh tung)) va thong cong tac nhan cao*.