Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung chan » trung phan, trong chan, trung can
hoc chieu » hoc thieu, ho chieu, hoc hien
chan dung » van dung, dan dung
dung cong » dung trong
chuc toan » chuc toa, chuc tin, duc toan
chuc quan » luc quan, hoc quan, chu quang

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 - thanh trung chan dung cong ((chuc toan) OR (chuc quan)) cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu xanh - thanh trung chan dung cong ((chuc toan) OR (chuc quan)) cao".
• Adding a wildcard symbol may retrieve word variants: hoc chieu xanh - thanh trung chan dung cong ((chuc toan) OR (chuc quan)) cao*.