Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
chap hanh » nhat hanh, phap han, pham hanh
ho chiet » ho chieu, ho thiet, hoc thiet
cap hanh » cap han, cac thanh, cap hoang
cong san » cong tac
san than » sang than, san thanh, ban than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh trung ((cap hanh) or (chap hanh)) cong san than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh trung ((cap hanh) OR (chap hanh)) cong san than cau.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh trung ((cap hanh) or (chap hanh)) cong san than cau*.