Perhaps you should try some spelling variations:
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu
cua nhung » va nhung
tung cua » trung cua, tuong cua, dung cua
cong san » cong tac
san phan » san pham, van phan, sat phan
phan dau » phan tu, hang dau

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) or (hoc hien)) tach - thanh tung cua nhung cong san phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (hoc hien)) tach - thanh tung cua nhung cong san phan dau.
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (hoc hien)) tach - thanh tung cua nhung cong san phan dau*.