Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
hien xanh » hien hanh, hien nhanh, chieu xanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dan chan » dan gian, dan ca, van chat
dan han » dan than, dan hanh, dan phan

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien xanh - hanh tranh cua nhung cong ((dan han) OR (dan chan)) tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc hien xanh - hanh tranh cua nhung cong ((dan han) OR (dan chan)) tu".
• Adding a wildcard symbol may retrieve word variants: hoc hien xanh - hanh tranh cua nhung cong ((dan han) OR (dan chan)) tu*.