Perhaps you should try some spelling variations:
phuong thanh » phong thanh, truong thanh, muong thanh
phuong thao » phuong phap, phuong thuc
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh trung » thanh trung, hanh trang, manh trung
trung cua » truong cua, trung tuan, trung cap
cua dong » chua dong, cua cong, cua dang
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sang - hanh trung cua dong ((phuong thanh) OR (phuong thao)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - hanh trung cua dong ((phuong thanh) OR (phuong thao)) toan ban".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh trung cua dong ((phuong thanh) OR (phuong thao)) toan ban*.