Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
cong trong » cong thuong, duong trong, cong trinh
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
trong nam » thong nam, trong lam, trong cac
nam toan » nam tan, tam toan, nam thanh
toan cao » toan ban, toan tap

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