Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
tuan thong » toan thong, tuan phong, xuan thong
tran thong » toan thong, tran hong, tran trong
hoc thieu » toc thieu, hoc hien
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
chan cau » phan cau, can cau, chinh cau

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 trung ((tuan thong) or (tran thong)) ((cong dan) OR (cong tan)) chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((tuan thong) OR (tran thong)) ((cong dan) OR (cong tan)) chan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh trung ((tuan thong) or (tran thong)) ((cong dan) OR (cong tan)) chan cau*".