Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
tuan thong » toan thong, tuan phong, xuan thong
tran thong » toan thong, tran hong, tran trong
cong ngang » cong nhan, cong quang, cong lang
hoc thieu » toc thieu, hoc hien
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang 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 - thanh tung ((tuan thong) or (tran thong)) cong ngang ((phan cau) OR (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung ((tuan thong) OR (tran thong)) cong ngang ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh tung ((tuan thong) or (tran thong)) cong ngang ((phan cau) OR (phan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung ((tuan thong) or (tran thong)) cong ngang ((phan cau) OR (phan dau))*.