Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
cua phuong » cuu phuong, cuc phuong, luan phuong
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
cong vang » cong lang, cong quang, cong ngang
toan cao » toan ban, toan tap
than cap » khan cap, thanh lap, thanh cac

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 xanh - thanh trung cua phuong cong vang ((toan cao) or (than cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung cua phuong cong vang ((toan cao) OR (than cap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung cua phuong cong vang ((toan cao) or (than cap))*.