Perhaps you should try some spelling variations:
thieu khang » chieu khong, thieu quang
lanh tranh » canh tranh, lan tranh, hanh trinh
hoc thieu » toc thieu, hoc hien
chua dong » ha dong, huy dong, hoa dong
cua dong » cua cong, cua dang, cua nong
cong tac » cong ty
tac phan » tac pham, tai phan, tac phat

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 khang - lanh tranh ((cua dong) or (chua dong)) cong tac phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu khang - lanh tranh ((cua dong) OR (chua dong)) cong tac phan tu.
• Adding a wildcard symbol may retrieve word variants: hoc thieu khang - lanh tranh ((cua dong) or (chua dong)) cong tac phan tu*.