Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sang » chieu sach, chieu xanh, hieu lang
trong quan » thong quan, tong quan, thong quang
trung cua » truong cua, trung tuan, trung cap
tuong dan » huong dan, tung dan, xuong dan
ho chieu » theo chieu, hoc thieu, doi chieu
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sang - hanh ((trung cua) or (trong quan)) nhung tuong dan ((toan cau) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - hanh ((trung cua) OR (trong quan)) nhung tuong dan ((toan cau) OR (toan tap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - hanh ((trung cua) or (trong quan)) nhung tuong dan ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - hanh ((trung cua) or (trong quan)) nhung tuong dan ((toan cau) OR (toan tap))*.