Perhaps you should try some spelling variations:
thuat nhung » thuat hung, thuat chung, thuat chuong
chieu sang » chieu sach, chieu xanh, hieu lang
trong tinh » truong tinh, trong kinh, trong sinh
doi chieu » doc hieu, doi chi, ho chieu
chua dung » chua dong, thuat dung, chua nhung
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: doi chieu sang - canh tranh ((chua dung) or (thuat nhung)) trong tinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - canh tranh ((chua dung) OR (thuat nhung)) trong tinh toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - canh tranh ((chua dung) or (thuat nhung)) trong tinh toan cau*.