Perhaps you should try some spelling variations:
thanh tung » thanh cong
thieu xanh » chieu xanh, hieu manh, thien danh
tuan thong » toan thong, tuan phong, xuan thong
tran thong » toan thong, tran hong, tran trong
cong ngang » cong nhan, cong quang, cong lang
ngang phan » nang phan, nang phat, nang phap
thien anh » thien danh, tien anh, thien thanh
phan cau » phan dau, phan cac, phan tu

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