Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien danh
thong cong » trong cong, tong cong, thong thong
thien anh » thien danh, tien anh, thien thanh
lanh manh » lanh tranh, lan anh, van manh
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
san phan » san pham, van phan, sat phan
phan lap » phan dau

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