Perhaps you should try some spelling variations:
thuoc dieu » thuc dieu, hoc dieu, thuat dieu
hanh tranh » canh tranh, hanh trinh, hanh trang
trong lam » trong cac, trong san
trong tan » trong quan, trong cac, cong tan
tranh su » trinh su, trang su, tranh cua
trong ca » trong cac, trong nha
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc dieu hanh - hanh tranh su dung ((trong lam) or (((trong tan) or (trong ca)))) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc dieu hanh - hanh tranh su dung ((trong lam) OR (((trong tan) OR (trong ca)))) toan cau.
• Adding a wildcard symbol may retrieve word variants: thuoc dieu hanh - hanh tranh su dung ((trong lam) or (((trong tan) or (trong ca)))) toan cau*.