Perhaps you should try some spelling variations:
theo chieu » theo chu, thi chieu
thong cong » trong cong, tong cong, thong thong
hanh hanh » hanh han, xanh hanh, nhanh thanh
ho chieu » hoc thieu, doi chieu, mot chieu
va thong » va thuong, va phuong, he thong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
hanh va » hang va, hanh vi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (((ho chieu) OR (theo chieu)))) sang - hanh hanh va thong cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (((ho chieu) OR (theo chieu)))) sang - hanh hanh va thong cong san toan ban*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (((ho chieu) OR (theo chieu)))) sang - hanh hanh va thong cong san toan ban*".