Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
canh trong » anh trong, hanh trong, lanh trong
doi chieu » doc hieu, doi chi, mot chieu
phat dung » hat dung, pham dung, thuat dung
phan dung » phan ung, phan dang, chan dung
trong tan » trong quan, trong cac, trong ca
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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

• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - canh trong ((phat dung) OR (phan dung)) trong tan ((phan cau) OR (phan cac))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu tinh - canh trong ((phat dung) or (phan dung)) trong tan ((phan cau) OR (phan cac))~".
• Adding a wildcard symbol may retrieve word variants: doi chieu tinh - canh trong ((phat dung) or (phan dung)) trong tan ((phan cau) OR (phan cac))*.