Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
quang dung » quang trung, ung dung, cuong dung
chi xanh » chi anh, chi danh, chi hanh
cua dang » cua cong, cua ban
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan ban » can ban, chat ban, chan nan
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 xanh - nhanh tinh ((((quang dung) or (qua song))) or (cua dang)) cong dan chan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi xanh - nhanh tinh ((((quang dung) OR (qua song))) OR (cua dang)) cong dan chan ban.
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - nhanh tinh ((((quang dung) or (qua song))) or (cua dang)) cong dan chan ban*.