Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
thieu xanh » chieu xanh, hieu manh, thien danh
thien anh » thien danh, tien anh, thien thanh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
dan phan » doan phan, dan chan, van phan
van chat » cao chat

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