Perhaps you should try some spelling variations:
thong tuong » thong thuong, thong thong, thong duong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tuong dan » huong dan, tung dan, xuong dan
chinh ta » chinh tai, chinh va, chinh tri
ta thong » tao thong, tac thong, tra thong
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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 - hanh chinh ta thong tuong dan ((than cau) OR (toan cau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh chinh ta thong tuong dan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh chinh ta thong tuong dan ((than cau) OR (toan cau))*.