Perhaps you should try some spelling variations:
phuong thong » phuong trong, thong thong, phuong hoang
luan phuong » lan phuong, quang phuong, doan phuong
thieu sach » chieu sach, thien hach, hieu cach
thong phan » thong quan, chong phap, thong van
manh dung » manh hung, manh tung, anh dung
phan phan » phap phan, phan phat, than phan
phan tai » pham tai, nhan tai, phan thi
hieu ca » hieu cac, hieu cua, hieu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((thieu sach) or (hieu ca)) - manh dung luan phuong thong phan phan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((thieu sach) OR (hieu ca)) - manh dung luan phuong thong phan phan tai.
• Adding a wildcard symbol may retrieve word variants: toc ((thieu sach) or (hieu ca)) - manh dung luan phuong thong phan phan tai*.