Perhaps you should try some spelling variations:
thanh trung » thanh tung
phuong dung » thong dung, phuong hoang
cuong dung » tuong duong, ung dung, thong dung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cau toan » cuu toan, cau hoang, cau thang
toan cao » toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (doi chi)) xanh - thanh trung cua ((phuong dung) OR (cuong dung)) cau toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (doi chi)) xanh - thanh trung cua ((phuong dung) OR (cuong dung)) cau toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc thieu) or (doi chi)) xanh - thanh trung cua ((phuong dung) OR (cuong dung)) cau toan cao*".