Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trong » hanh trang, anh trong, hinh trong
hoc thieu » toc thieu, hoc hien
cac nhung » cac chung, cam nhung, cac phuong
hoc hieu » hoc hien, doc hieu, hoc dieu
cong san » cong tac
san tan » van tan, san van, san tay
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: ((hoc hieu) or (hoc thieu)) qua - hanh trong cac nhung cong san tan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hieu) OR (hoc thieu)) qua - hanh trong cac nhung cong san tan cau*.