Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cua khong » hua khong, cua phuong, cua thuong
trong dan » trong dang, trong san, trong ban
trong tan » trong quan, trong cac, trong ca
anh nang » ganh nang, anh bang, anh dang
nang cua » mang cua, hang cua, nang dua

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (hieu manh)) - anh nang cua khong ((trong dan) OR (trong tan)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (hieu manh)) - anh nang cua khong ((trong dan) OR (trong tan)) phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thien danh) or (hieu manh)) - anh nang cua khong ((trong dan) OR (trong tan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (hieu manh)) - anh nang cua khong ((trong dan) OR (trong tan)) phan tu*.