Perhaps you should try some spelling variations:
thieu tinh » trieu tinh, chieu tinh, thien tinh
canh trang » canh tranh, hanh trang, banh trang
thanh chau » thanh cha, thanh cham, thanh chu
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
trang va » tran van, hang va
cong san » cong tac
phan cau » phan dau, phan cac, phan tu
va dung » van dung, va duong, vat dung

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 trang va dung cong san ((thanh chau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu tinh - canh trang va dung cong san ((thanh chau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu tinh - canh trang va dung cong san ((thanh chau) or (phan cau))*.