Perhaps you should try some spelling variations:
phuong thao » phuong phap, phuong thuc
dong phuong » duong phuong, dung phuong, dong huong
chieu sang » chieu sach, chieu xanh, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
trung chua » trung cua, trong chuan, trung ha
hieu lang » hieu quang, nhieu tang, hieu van
chua dong » cua dong, ha dong, huy dong
thao toan » thuat toan, thanh toan, tap toan
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) OR (hieu lang)) - hanh trung chua dong phuong thao toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (hieu lang)) - hanh trung chua dong phuong thao toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (hieu lang)) - hanh trung chua dong phuong thao toan ban*.