Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
trung cao » truong cao, trung cap, trung co
dung cong » dung trong
cong tinh » cong trinh, cong vinh, long tinh
cao dung » cao dang, cao dong, cao ung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu xanh) OR (chieu sang)) - thanh trung cao dung cong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) OR (chieu sang)) - thanh trung cao dung cong tinh toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) OR (chieu sang)) - thanh trung cao dung cong tinh toan ban*.