Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
chieu tinh » trieu tinh, lieu tinh, chau tinh
hoc chieu » hoc thieu, ho chieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
tranh cua » doanh cua, manh cua
doan toan » dan toan, doan tuan, doanh hoan
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: hoc chieu tinh - hanh ((trinh cua) or (tranh cua)) bang phuong doan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu tinh - hanh ((trinh cua) OR (tranh cua)) bang phuong doan toan ban*.