Perhaps you should try some spelling variations:
phuong cham » phuong phap, phuong thao
chieu tach » chiet tach, chieu sach, chiu trach
phuong la » phuong lan, phuong tay, phuong mai
trong van » trong cac
ho chieu » theo chieu, hoc thieu, doi chieu
van tuan » van quan, van ban, anh tuan
tuan cau » toan cau, quan cau, tuan cu

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 tach - thanh ((phuong cham) or (phuong la)) dung trong van tuan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tach - thanh ((phuong cham) OR (phuong la)) dung trong van tuan cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu tach - thanh ((phuong cham) or (phuong la)) dung trong van tuan cau*.