Perhaps you should try some spelling variations:
thieu bien » thieu nien, tieu bieu, hien bien
canh trinh » canh tranh, hanh trinh, canh tinh
trinh vat » trinh van, trinh luat, sinh vat
trong van » trong cac
vat dung » van dung, va dung, viet dung
van tan » van tuan, van ban, van tai
tan cau » toan cau, van cau, tan ca

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu bien - canh trinh vat dung trong van tan cau~.
• Adding a wildcard symbol may retrieve word variants: toc thieu bien - canh trinh vat dung trong van tan cau*.