Perhaps you should try some spelling variations:
phan thuong » hang thuong, phan xuong
thuong mang » thong mang, thuong lang, thuong quang
thanh dung » thanh duong, thanh tung, thanh hung
hoc thieu » hoc hien
dung phan » dung nhan, dung luan, dung ha
phan phan » phap phan, phan phat, than phan
mang dat » mang dau, hoang dat, hang dau
dat ca » dat cau, dat cua, dat 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) or (hoc thieu)) tinh - thanh dung phan phan thuong mang dat ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc thieu) OR (hoc thieu)) tinh - thanh dung phan phan thuong mang dat ca.
• Adding a wildcard symbol may retrieve word variants: ((toc thieu) or (hoc thieu)) tinh - thanh dung phan phan thuong mang dat ca*.