Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
doc hieu » toc thieu, hoc thieu, hoc hien
cua hang » cua dang, cua nhung, cua cong
cong dan » cong san, cong tan, huong dan
phan lap » phan dau
phan cac » nhan cach, phan dau, phan van
luan » quan, lan

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh tranh cua hang cong dan ((phan lap) or (((phan cac) or (luan van))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh tranh cua hang cong dan ((phan lap) OR (((phan cac) OR (luan van)))).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh cua hang cong dan ((phan lap) or (((phan cac) or (luan van))))*.