Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
va phuong » va thuong, cac phuong
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, he thong, va cong
va huong » va thuong, va tuong, ban huong
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ho chieu xanh - thanh trung ((((va thong) OR (va phuong))) or (va huong)) cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh trung ((((va thong) OR (va phuong))) OR (va huong)) cong tac toan tap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - thanh trung ((((va thong) OR (va phuong))) or (va huong)) cong tac toan tap*".