Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
phan cong » thanh cong
tung can » trung can, tung dan, trung cap
ban cong » bang cong, ban huong, ban trong
van cong » van dong, van phong, van duong
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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 can ((ban cong) or (((van cong) or (phan cong)))) dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung can ((ban cong) OR (((van cong) OR (phan cong)))) dan than cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung can ((ban cong) or (((van cong) or (phan cong)))) dan than cau*.