Perhaps you should try some spelling variations:
thiet danh » thien danh, thien dang, tiep danh
thien anh » thien danh, tien anh, thien thanh
cua trong » cua truong, cua trung, qua trong
anh tang » anh bang, anh dang, anh nang
tang cua » mang cua, hang cua, tang luan
van tuan » van ban, anh tuan
van quan » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thiet danh) or (thien anh)) - anh tang cua trong cong ((van tuan) OR (van quan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thiet danh) OR (thien anh)) - anh tang cua trong cong ((van tuan) OR (van quan)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thiet danh) or (thien anh)) - anh tang cua trong cong ((van tuan) OR (van quan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((thiet danh) or (thien anh)) - anh tang cua trong cong ((van tuan) OR (van quan)) cao*.