Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
dong cong » duong cong, dung cong, dang cong
tran van » luan van
dan phan » doan phan, van phan, dam phan
dan chan » dan gian, dan ca, van chat

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 tinh - canh tran van dong cong ((dan phan) OR (dan chan)) cac~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu tinh - canh tran van dong cong ((dan phan) OR (dan chan)) cac".
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh tran van dong cong ((dan phan) OR (dan chan)) cac*.