Perhaps you should try some spelling variations:
truong chung » truong trung
luan truong » xuan truong, luan tuong, quang truong
hieu quang » thieu quang, hieu quan, hieu qua
chung tinh » nhung tinh, chung minh, hung tinh
hieu lang » chieu sang, nhieu tang, hieu van
hanh dung » thanh dung, anh dung, hanh dong
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: co ((hieu lang) OR (hieu quang)) - hanh dung luan truong chung tinh toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "co ((hieu lang) OR (hieu quang)) - hanh dung luan truong chung tinh toan tap".
• Adding a wildcard symbol may retrieve word variants: co ((hieu lang) OR (hieu quang)) - hanh dung luan truong chung tinh toan tap*.