Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tran » hanh trang, thanh tran, hanh tram
dong cong » duong cong, dung cong, dang cong
tran van » luan van
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
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: hoc ((thieu xanh) OR (chieu tinh)) - hanh tran van dong cong van toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu tinh)) - hanh tran van dong cong van toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu tinh)) - hanh tran van dong cong van toan tap*.