Perhaps you should try some spelling variations:
canh trang » canh tranh, hanh trang, banh trang
tieu tinh » trieu tinh, tieu trinh, lieu tinh
hoc tieu » hoc thieu, hoc dieu, hoc sieu
trang va » tran van, hang va
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
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 tieu tinh - canh trang va dung ((cong dan) OR (cong tan)) phan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc tieu tinh - canh trang va dung ((cong dan) OR (cong tan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc tieu tinh - canh trang va dung ((cong dan) OR (cong tan)) phan cau*.