Perhaps you should try some spelling variations:
phuong hanh » phuong thanh, phuong anh, phuong danh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh doanh » hang doanh, chinh doanh, doanh doanh
doi chieu » doc hieu, doi chi, ho chieu
luyen ngu » truyen ngu, chuyen ngu, luyen nghe
hanh luan » khanh luan, hang luan, hanh luat
luan thu » luan thuc, tuan thu, lan thu
luan han » luan hoan, luan phan, luan van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu tinh - hanh doanh ((luan thu) or (luyen ngu)) phuong hanh luan han~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu tinh - hanh doanh ((luan thu) OR (luyen ngu)) phuong hanh luan han*.