Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu manh » hieu manh, tien manh, trieu minh
hanh trang » canh tranh, hanh trinh, minh trang
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong san » cong tac
san phan » san pham, van phan, sat phan
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 manh - ((hanh trang) or (thanh trung)) va dung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu manh - ((hanh trang) OR (thanh trung)) va dung cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu manh - ((hanh trang) or (thanh trung)) va dung cong san phan cau*.