Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thien » hoc thieu, hoc thiet, hoc tien
moc tren » nuoc tren
tranh va » tranh van, trang va, trinh va
cong san » cong tac
san phan » san pham, van phan, sat phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((hoc thien) or (moc tren))) or (hoc hien)) anh - hanh tranh va nhung cong san phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((hoc thien) OR (moc tren))) OR (hoc hien)) anh - hanh tranh va nhung cong san phan cau.
• Adding a wildcard symbol may retrieve word variants: ((((hoc thien) or (moc tren))) or (hoc hien)) anh - hanh tranh va nhung cong san phan cau*.