Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
hieu manh » chieu xanh, hieu nganh, dieu hanh
hiem ngan » kim ngan
canh tinh » hanh tinh, manh tinh, canh tranh
thong ban » thong van, trong ban, thong bai
ban thanh » ban hanh, ban hang
tinh he » trinh he, hinh he, tinh ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu manh) or (((hiem ngan) or (viem gan)))) - canh tinh he thong thong ban thanh chau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu manh) OR (((hiem ngan) OR (viem gan)))) - canh tinh he thong thong ban thanh chau.
• Adding a wildcard symbol may retrieve word variants: hoc ((hieu manh) or (((hiem ngan) or (viem gan)))) - canh tinh he thong thong ban thanh chau*.