Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thieu xanh » chieu xanh, hieu manh, thien anh
lanh tranh » lan tranh, hanh trinh, sach tranh
cua thuong » cua truong, cua phuong, ca thuong
hoc thieu » toc thieu, hoc hien
cong san » cong tac
san phan » san pham, van phan, sat phan
phan lap » phan dau
lan anh » van anh, tuan anh

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 xanh - ((((lanh tranh) OR (canh tranh))) or (lan anh)) cua thuong cong san phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((((lanh tranh) OR (canh tranh))) OR (lan anh)) cua thuong cong san phan lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((((lanh tranh) OR (canh tranh))) or (lan anh)) cua thuong cong san phan lap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((((lanh tranh) OR (canh tranh))) or (lan anh)) cua thuong cong san phan lap*.