Perhaps you should try some spelling variations:
thuong phuong » truong phuong, thong phuong, thong thuong
trinh luan » trinh luat, trinh quan, trinh han
phuong dan » phuong danh, phuong doan, huong dan
kieu tinh » lieu tinh, trieu tinh, diep tinh
doc kieu » doc hieu, cac kieu, doc viet
dan than » dan chan, ban than, van than
than man » than ma, thanh san, tran manh

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc kieu tinh - hanh ((binh luan) or (trinh luan)) thuong phuong dan than man~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc kieu tinh - hanh ((binh luan) OR (trinh luan)) thuong phuong dan than man.
• Adding a wildcard symbol may retrieve word variants: doc kieu tinh - hanh ((binh luan) or (trinh luan)) thuong phuong dan than man*.