Perhaps you should try some spelling variations:
phuong doan » phuong loan, phuong hoang, huong dan
tong chuan » thong chuan, trong chuan, dong chuan
chuan doan » chan doan
hieu manh » chieu xanh, hieu nganh, hien hanh
anh tong » anh trong, anh thong, anh dong
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (dieu hanh)) - anh tong chuan doan phuong doan ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (dieu hanh)) - anh tong chuan doan phuong doan ((toan tai) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (dieu hanh)) - anh tong chuan doan phuong doan ((toan tai) or (toan cao))*.