Perhaps you should try some spelling variations:
phuong trong » thuong trong, huong trong, phong trong
chieu sang » chieu sach, chieu xanh
nhieu tang » nhiet nang
trong tinh » truong tinh, trong kinh, trong sinh
hieu lang » hieu quang, hieu van, biet lang
dung doan » dung doanh, dung dan, dung toan
anh dung » anh dong, anh huong, sach dung
toan cau » toan cao, toan ban, toan tap

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) OR (nhieu tang))) or (hieu lang)) - anh dung doan phuong trong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((chieu sang) OR (nhieu tang))) OR (hieu lang)) - anh dung doan phuong trong tinh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((chieu sang) OR (nhieu tang))) or (hieu lang)) - anh dung doan phuong trong tinh toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((((chieu sang) OR (nhieu tang))) or (hieu lang)) - anh dung doan phuong trong tinh toan cau*.