Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cua » truong ca, truong quan, truong cao
hoc thieu » toc thieu, hoc hien
trung cua » trung tuan, trung cap, dung cua
thanh lap » thanh san, phan lap, thanh hai
cong dan » cong san, cong tan, cong dong

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 (truong cua)) thong ((cong dan) or (huong dan)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung cua) OR (truong cua)) thong ((cong dan) OR (huong dan)) thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung cua) OR (truong cua)) thong ((cong dan) or (huong dan)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung cua) OR (truong cua)) thong ((cong dan) or (huong dan)) thanh lap*.