Perhaps you should try some spelling variations:
hoc thieu » toc thieu, hoc hien
cua dung » cua dang, cua dong, cua rung
qua dung » quang dung, su dung, qua song
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chi) or (hoc thieu)) xanh - canh tranh ((cua dung) or (qua dung)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (hoc thieu)) xanh - canh tranh ((cua dung) OR (qua dung)) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (hoc thieu)) xanh - canh tranh ((cua dung) or (qua dung)) cong dan phan cau*.